salt.states.ceph: Add module metadata
salt.states.ceph: Add module metadata

Salt has a rich metadata format for all state modules.

Also improved the online help.

Signed-off-by: Owen Synge <ea78e0e20fce5319fd66b8fd4f543d9e30ef46a5@suse.com>

saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt