Add missing completion for --config-file

Signed-off-by: Kenfe-Mickael Laventure <mickael.laventure@gmail.com>

contrib/completion/bash/docker

@@ -799,6 +799,7 @@ _docker_daemon() {
 		--cluster-advertise
 		--cluster-store
 		--cluster-store-opt
+		--config-file
 		--containerd
 		--default-gateway
 		--default-gateway-v6
@@ -878,7 +879,7 @@ _docker_daemon() {
 			__docker_complete_log_drivers
 			return
 			;;
-		--containerd|--pidfile|-p|--tlscacert|--tlscert|--tlskey)
+		--config-file|--containerd|--pidfile|-p|--tlscacert|--tlscert|--tlskey)
 			_filedir
 			return
 			;;

contrib/completion/zsh/_docker

@@ -936,6 +936,7 @@ __docker_subcommand() {
                 "($help -b --bridge)"{-b=,--bridge=}"[Attach containers to a network bridge]:bridge:_net_interfaces" \
                 "($help)--bip=[Network bridge IP]:IP address: " \
                 "($help)--cgroup-parent=[Parent cgroup for all containers]:cgroup: " \
+                "($help)--config-file=[Path to daemon configuration file]:Config File:_files" \
                 "($help)--containerd=[Path to containerd socket]:socket:_files -g \"*.sock\"" \
                 "($help -D --debug)"{-D,--debug}"[Enable debug mode]" \
                 "($help)--default-gateway[Container default gateway IPv4 address]:IPv4 address: " \