Add OpenStack-Ansible metadata
Add OpenStack-Ansible metadata

We need to add openstack ansible information in the role
metadata to be able to track role maturity. With it,
we can create a role maturity table and take decisions about
role deprecations.

Change-Id: I1dd72a0f4eb6eae1eaa5629e3d6dd546be1b01b3

openstack/openstack-ansible-plugins,openstack/openstack-ansible-plugins