Improve README

Change-Id: I0598c7ea2f3c2b4f4966302cfd140b23ac4cf4d3
Partial-Bug: #1713678

README.rst

@@ -1,5 +1,28 @@
+========================
+Team and repository tags
+========================
+
+.. image:: https://governance.openstack.org/tc/badges/python-blazarclient.svg
+    :target: https://governance.openstack.org/tc/reference/tags/index.html
+
+.. Change things from this point on
+
 =============
 Blazar client
 =============
 
-**Blazar client** provides possibility to use *Blazar* API(s).
+This is a client for the OpenStack Blazar API. It provides a Python API (the
+**blazarclient** module) and a command-line script (**blazar**).
+
+Other Resources
+---------------
+
+* Source code:
+
+    * `Blazar <https://git.openstack.org/cgit/openstack/blazar>`__
+    * `Nova scheduler filter <https://git.openstack.org/cgit/openstack/blazar-nova>`__
+    * `Client tools <https://git.openstack.org/cgit/openstack/python-blazarclient>`__
+    * `Dashboard (Horizon plugin) <https://git.openstack.org/cgit/openstack/blazar-dashboard>`__
+
+* Blueprints/Bugs: https://launchpad.net/blazar
+* Documentation: https://docs.openstack.org/blazar/latest/