Add cli reference docs for root-level commands

Signed-off-by: Vincent Demeester <vincent@sbr.pm>

docs/reference/commandline/container.md

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+
+---
+title: "container"
+description: "The container command description and usage"
+keywords: "container"
+---
+
+<!-- This file is maintained within the docker/docker Github
+     repository at https://github.com/docker/docker/. Make all
+     pull requests against that repo. If you see this file in
+     another repository, consider it read-only there, as it will
+     periodically be overwritten by the definitive file. Pull
+     requests which include edits to this file in other repositories
+     will be rejected.
+-->
+
+# container
+
+```markdown
+Usage:  docker container COMMAND
+
+Manage containers
+
+Options:
+      --help   Print usage
+
+Commands:
+  attach      Attach to a running container
+  commit      Create a new image from a container's changes
+  cp          Copy files/folders between a container and the local filesystem
+  create      Create a new container
+  diff        Inspect changes to files or directories on a container's filesystem
+  exec        Run a command in a running container
+  export      Export a container's filesystem as a tar archive
+  inspect     Display detailed information on one or more containers
+  kill        Kill one or more running containers
+  logs        Fetch the logs of a container
+  ls          List containers
+  pause       Pause all processes within one or more containers
+  port        List port mappings or a specific mapping for the container
+  prune       Remove all stopped containers
+  rename      Rename a container
+  restart     Restart one or more containers
+  rm          Remove one or more containers
+  run         Run a command in a new container
+  start       Start one or more stopped containers
+  stats       Display a live stream of container(s) resource usage statistics
+  stop        Stop one or more running containers
+  top         Display the running processes of a container
+  unpause     Unpause all processes within one or more containers
+  update      Update configuration of one or more containers
+  wait        Block until one or more containers stop, then print their exit codes
+
+Run 'docker container COMMAND --help' for more information on a command.
+
+```
+
+## Description
+
+Manage containers.
+

docs/reference/commandline/image.md

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+
+---
+title: "image"
+description: "The image command description and usage"
+keywords: "image"
+---
+
+<!-- This file is maintained within the docker/docker Github
+     repository at https://github.com/docker/docker/. Make all
+     pull requests against that repo. If you see this file in
+     another repository, consider it read-only there, as it will
+     periodically be overwritten by the definitive file. Pull
+     requests which include edits to this file in other repositories
+     will be rejected.
+-->
+
+# image
+
+```markdown
+Usage:  docker image COMMAND
+
+Manage images
+
+Options:
+      --help   Print usage
+
+Commands:
+  build       Build an image from a Dockerfile
+  history     Show the history of an image
+  import      Import the contents from a tarball to create a filesystem image
+  inspect     Display detailed information on one or more images
+  load        Load an image from a tar archive or STDIN
+  ls          List images
+  prune       Remove unused images
+  pull        Pull an image or a repository from a registry
+  push        Push an image or a repository to a registry
+  rm          Remove one or more images
+  save        Save one or more images to a tar archive (streamed to STDOUT by default)
+  tag         Create a tag TARGET_IMAGE that refers to SOURCE_IMAGE
+
+Run 'docker image COMMAND --help' for more information on a command.
+
+```
+
+## Description
+
+Manage images.

docs/reference/commandline/network.md

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+---
+title: "network"
+description: "The network command description and usage"
+keywords: "network"
+---
+
+<!-- This file is maintained within the docker/docker Github
+     repository at https://github.com/docker/docker/. Make all
+     pull requests against that repo. If you see this file in
+     another repository, consider it read-only there, as it will
+     periodically be overwritten by the definitive file. Pull
+     requests which include edits to this file in other repositories
+     will be rejected.
+-->
+
+# network
+
+```markdown
+Usage:  docker network COMMAND
+
+Manage networks
+
+Options:
+      --help   Print usage
+
+Commands:
+  connect     Connect a container to a network
+  create      Create a network
+  disconnect  Disconnect a container from a network
+  inspect     Display detailed information on one or more networks
+  ls          List networks
+  prune       Remove all unused networks
+  rm          Remove one or more networks
+
+Run 'docker network COMMAND --help' for more information on a command.
+```
+
+## Description
+
+Manage networks. You can use subcommand to create, list, inspect, remove,
+connect and disconnect networks.
+
+## Related commands
+
+* [network create](network_create.md)
+* [network inspect](network_inspect.md)
+* [network list](network_list.md)
+* [network rm](network_rm.md)
+* [network prune](network_prune.md)

docs/reference/commandline/node.md

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+
+---
+title: "node"
+description: "The node command description and usage"
+keywords: "node"
+---
+
+<!-- This file is maintained within the docker/docker Github
+     repository at https://github.com/docker/docker/. Make all
+     pull requests against that repo. If you see this file in
+     another repository, consider it read-only there, as it will
+     periodically be overwritten by the definitive file. Pull
+     requests which include edits to this file in other repositories
+     will be rejected.
+-->
+
+# node
+
+```markdown
+Usage:  docker node COMMAND
+
+Manage Swarm nodes
+
+Options:
+      --help   Print usage
+
+Commands:
+  demote      Demote one or more nodes from manager in the swarm
+  inspect     Display detailed information on one or more nodes
+  ls          List nodes in the swarm
+  promote     Promote one or more nodes to manager in the swarm
+  ps          List tasks running on one or more nodes, defaults to current node
+  rm          Remove one or more nodes from the swarm
+  update      Update a node
+
+Run 'docker node COMMAND --help' for more information on a command.
+```
+
+## Description
+
+Manage nodes.
+

docs/reference/commandline/plugin.md

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+---
+title: "plugin"
+description: "The plugin command description and usage"
+keywords: "plugin"
+---
+
+<!-- This file is maintained within the docker/docker Github
+     repository at https://github.com/docker/docker/. Make all
+     pull requests against that repo. If you see this file in
+     another repository, consider it read-only there, as it will
+     periodically be overwritten by the definitive file. Pull
+     requests which include edits to this file in other repositories
+     will be rejected.
+-->
+
+# plugin
+
+```markdown
+Usage:  docker plugin COMMAND
+
+Manage plugins
+
+Options:
+      --help   Print usage
+
+Commands:
+  create      Create a plugin from a rootfs and configuration. Plugin data directory must contain config.json and rootfs directory.
+  disable     Disable a plugin
+  enable      Enable a plugin
+  inspect     Display detailed information on one or more plugins
+  install     Install a plugin
+  ls          List plugins
+  push        Push a plugin to a registry
+  rm          Remove one or more plugins
+  set         Change settings for a plugin
+  upgrade     Upgrade an existing plugin
+
+Run 'docker plugin COMMAND --help' for more information on a command.
+
+```
+
+## Description
+
+Manage plugins.

docs/reference/commandline/secret.md

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+---
+title: "secret"
+description: "The secret command description and usage"
+keywords: "secret"
+---
+
+<!-- This file is maintained within the docker/docker Github
+     repository at https://github.com/docker/docker/. Make all
+     pull requests against that repo. If you see this file in
+     another repository, consider it read-only there, as it will
+     periodically be overwritten by the definitive file. Pull
+     requests which include edits to this file in other repositories
+     will be rejected.
+-->
+
+# secret
+
+```markdown
+Usage:  docker secret COMMAND
+
+Manage Docker secrets
+
+Options:
+      --help   Print usage
+
+Commands:
+  create      Create a secret from a file or STDIN as content
+  inspect     Display detailed information on one or more secrets
+  ls          List secrets
+  rm          Remove one or more secrets
+
+Run 'docker secret COMMAND --help' for more information on a command.
+
+```
+
+## Description
+
+Manage secrets.
+
+## Related commands
+
+* [secret create](secret_create.md)
+* [secret inspect](secret_inspect.md)
+* [secret list](secret_list.md)
+* [secret rm](secret_rm.md)

docs/reference/commandline/service.md

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+---
+title: "service"
+description: "The service command description and usage"
+keywords: "service"
+---
+
+<!-- This file is maintained within the docker/docker Github
+     repository at https://github.com/docker/docker/. Make all
+     pull requests against that repo. If you see this file in
+     another repository, consider it read-only there, as it will
+     periodically be overwritten by the definitive file. Pull
+     requests which include edits to this file in other repositories
+     will be rejected.
+-->
+
+# service
+
+```markdown
+Usage:  docker service COMMAND
+
+Manage services
+
+Options:
+      --help   Print usage
+
+Commands:
+  create      Create a new service
+  inspect     Display detailed information on one or more services
+  logs        Fetch the logs of a service
+  ls          List services
+  ps          List the tasks of a service
+  rm          Remove one or more services
+  scale       Scale one or multiple replicated services
+  update      Update a service
+
+Run 'docker service COMMAND --help' for more information on a command.
+```
+
+## Description
+
+Manage services.
+

docs/reference/commandline/stack.md

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+---
+title: "stack"
+description: "The stack command description and usage"
+keywords: "stack"
+---
+
+<!-- This file is maintained within the docker/docker Github
+     repository at https://github.com/docker/docker/. Make all
+     pull requests against that repo. If you see this file in
+     another repository, consider it read-only there, as it will
+     periodically be overwritten by the definitive file. Pull
+     requests which include edits to this file in other repositories
+     will be rejected.
+-->
+
+# stack
+
+```markdown
+Usage:  docker stack COMMAND
+
+Manage Docker stacks
+
+Options:
+      --help   Print usage
+
+Commands:
+  deploy      Deploy a new stack or update an existing stack
+  ls          List stacks
+  ps          List the tasks in the stack
+  rm          Remove the stack
+  services    List the services in the stack
+
+Run 'docker stack COMMAND --help' for more information on a command.
+```
+
+## Description
+
+Manage stacks.
+

docs/reference/commandline/swarm.md

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+---
+title: "swarm"
+description: "The swarm command description and usage"
+keywords: "swarm"
+---
+
+<!-- This file is maintained within the docker/docker Github
+     repository at https://github.com/docker/docker/. Make all
+     pull requests against that repo. If you see this file in
+     another repository, consider it read-only there, as it will
+     periodically be overwritten by the definitive file. Pull
+     requests which include edits to this file in other repositories
+     will be rejected.
+-->
+
+# swarm
+
+```markdown
+Usage:  docker swarm COMMAND
+
+Manage Swarm
+
+Options:
+      --help   Print usage
+
+Commands:
+  init        Initialize a swarm
+  join        Join a swarm as a node and/or manager
+  join-token  Manage join tokens
+  leave       Leave the swarm
+  unlock      Unlock swarm
+  unlock-key  Manage the unlock key
+  update      Update the swarm
+
+Run 'docker swarm COMMAND --help' for more information on a command.
+```
+
+## Description
+
+Manage the swarm.

docs/reference/commandline/system.md

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+---
+title: "system"
+description: "The system command description and usage"
+keywords: "system"
+---
+
+<!-- This file is maintained within the docker/docker Github
+     repository at https://github.com/docker/docker/. Make all
+     pull requests against that repo. If you see this file in
+     another repository, consider it read-only there, as it will
+     periodically be overwritten by the definitive file. Pull
+     requests which include edits to this file in other repositories
+     will be rejected.
+-->
+
+# system
+
+```markdown
+Usage:  docker system COMMAND
+
+Manage Docker
+
+Options:
+      --help   Print usage
+
+Commands:
+  df          Show docker disk usage
+  events      Get real time events from the server
+  info        Display system-wide information
+  prune       Remove unused data
+
+Run 'docker system COMMAND --help' for more information on a command.
+```
+
+## Description
+
+Manage docker.

docs/reference/commandline/volume.md

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+---
+title: "volume"
+description: "The volume command description and usage"
+keywords: "volume"
+---
+
+<!-- This file is maintained within the docker/docker Github
+     repository at https://github.com/docker/docker/. Make all
+     pull requests against that repo. If you see this file in
+     another repository, consider it read-only there, as it will
+     periodically be overwritten by the definitive file. Pull
+     requests which include edits to this file in other repositories
+     will be rejected.
+-->
+
+# volume
+
+```markdown
+Usage:  docker volume COMMAND
+
+Manage volumes
+
+Options:
+      --help   Print usage
+
+Commands:
+  create      Create a volume
+  inspect     Display detailed information on one or more volumes
+  ls          List volumes
+  prune       Remove all unused volumes
+  rm          Remove one or more volumes
+
+Run 'docker volume COMMAND --help' for more information on a command.
+```
+
+## Description
+
+Manage volumes. You can use subcommand to create, list, inspect, remove
+volumes.
+
+## Related commands
+
+* [volume create](volume_create.md)
+* [volume inspect](volume_inspect.md)
+* [volume list](volume_list.md)
+* [volume rm](volume_rm.md)
+* [volume prune](volume_prune.md)
+* [Understand Data Volumes](https://docs.docker.com/engine/tutorials/dockervolumes/)