[DOCS] Update repo server role docs

Change-Id: I59f43bfe10241a69d4fb15d8f652f2241fca728d

README.rst

@@ -1,16 +1,9 @@
+=============================
 OpenStack-Ansible Repo Server
-#############################
+=============================
+
 :tags: openstack, repo, server, cloud, ansible
 :category: \*nix
 
 Ansible role that deploys a repository server for python packages and git
 sources.
-
-.. code-block:: yaml
-
-    - name: Setup repo servers
-      hosts: repo_all
-      user: root
-      roles:
-        - { role: "repo_server", tags: [ "repo-server" ] }
-

doc/source/index.rst

@@ -1 +1,12 @@
-.. include:: ../../README.rst
+=============================
+OpenStack-Ansible Repo Server
+=============================
+
+Example playbooks
+~~~~~~~~~~~~~~~~~
+
+Example playbook
+~~~~~~~~~~~~~~~~
+
+.. literalinclude:: ../../examples/playbook.yml
+   :language: yaml

examples/playbook.yml

@@ -0,0 +1,5 @@
+    - name: Setup repo servers
+      hosts: repo_all
+      user: root
+      roles:
+        - { role: "repo_server", tags: [ "repo-server" ] }