/containers/{id}/json missing Platform

To match ContainerJSONBase api/types/types.go

Signed-off-by: Daniel Black <daniel@linux.ibm.com>

api/swagger.yaml

@@ -4924,6 +4924,8 @@ paths:
                 type: "integer"
               Driver:
                 type: "string"
+              Platform:
+                type: "string"
               MountLabel:
                 type: "string"
               ProcessLabel: