[cli-ref] Update CLI reference for python-designateclient 2.0.0
[cli-ref] Update CLI reference for python-designateclient 2.0.0

Change-Id: Id4b49f8e2f36f6ebb763c0a515fb231d0e5124e3

AlekhyaMallina-Vedams/openstack-manuals,openstack/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals