Create scenario tests for load balancers

This patch implements the tempest plugin for
for testing load balancer creation in Octavia.

Co-Authored-By: Jude Cross <jcross@godaddy.com>
Co-Authored-By: Lingxian Kong <anlin.kong@gmail.com>

Depends-On: https://review.openstack.org/557856
Change-Id: I57064f8e0834efba8859a780394a1c69851cc917
diff --git a/doc/source/index.rst b/doc/source/index.rst
index fad3a36..494a0b6 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -14,11 +14,16 @@
    readme
    installation
    contributing
+   configref
 
 Indices and tables
 ==================
 
+.. toctree::
+   :hidden:
+
+   _build/modules/modules
+
 * :ref:`genindex`
 * :ref:`modindex`
 * :ref:`search`
-