Add "podman volume" command

Add support for podman volume and its subcommands.
The commands supported are:
	podman volume create
	podman volume inspect
	podman volume ls
	podman volume rm
	podman volume prune

This is a tool to manage volumes used by podman. For now it only handle
named volumes, but eventually it will handle all volumes used by podman.

Signed-off-by: umohnani8 <umohnani@redhat.com>

1 files changed, 48 insertions, 0 deletions

diff --git a/docs/podman-volume-create.1.md b/docs/podman-volume-create.1.md
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+% podman-volume-create(1)
+
+## NAME
+podman\-volume\-create - Create a new volume
+
+## SYNOPSIS
+**podman volume create** [*options*]
+
+## DESCRIPTION
+
+Creates an empty volume and prepares it to be used by containers. The volume
+can be created with a specific name, if a name is not given a random name is
+generated. You can add metadata to the volume by using the **--label** flag and
+driver options can be set using the **--opt** flag.
+
+## OPTIONS
+
+**--driver**=""
+
+Specify the volume driver name (default local).
+
+**--help**
+
+Print usage statement
+
+**-l**, **--label**=[]
+
+Set metadata for a volume (e.g., --label mykey=value).
+
+**-o**, **--opt**=[]
+
+Set driver specific options.
+
+## EXAMPLES
+
+```
+$ podman volume create myvol
+
+$ podman volume create
+
+$ podman volume create --label foo=bar myvol
+```
+
+## SEE ALSO
+podman-volume(1)
+
+## HISTORY
+November 2018, Originally compiled by Urvashi Mohnani <umohnani@redhat.com>