Add Documentation 、release notes

and home link to README

Change-Id: Id4f334ca38e7b8f9b926e4a1054763d173c3ae41

README.rst

@@ -36,3 +36,22 @@ Example Playbook
         - { role: "os_trove", tags: [ "os-trove" ] }
      vars:
        is_metal: "{{ properties.is_metal|default(false) }}"
+
+.. Change things from this point on
+
+=========================
+OpenStack-Ansible Trove
+=========================
+
+Ansible role that installs and configures OpenStack Trove.
+
+Documentation for the project can be found at:
+`<https://docs.openstack.org/openstack-ansible-os_trove/latest/>`_
+
+Release notes for the project can be found at:
+`<https://docs.openstack.org/releasenotes/openstack-ansible-os_trove/>`_
+
+The project source code repository is located at:
+`<https://git.openstack.org/cgit/openstack/openstack-ansible-os_trove>`_
+
+The project home is at: `<https://launchpad.net/openstack-ansible>`_