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.

(cherry picked from commit 520fc11f10)

meta/openstack-ansible.yml

@@ -0,0 +1,18 @@
+---
+# Copyright 2017, Rackspace US, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+maturity_info:
+  status: inclubated
+  created_during: rocky