Reorganize docs

Currently our docs is only the README, this reorganized it and will
add more docs later then add a job to publish it to docs.openstack.org

Change-Id: Ic2bd2babaae863a89dfc78ad793daf2d552771f3

doc/source/contributing.rst

@@ -0,0 +1,4 @@
+============
+Contributing
+============
+.. include:: ../../CONTRIBUTING.rst

doc/source/index.rst

@@ -1 +1,18 @@
-.. include:: ../../README.rst
+
+Welcome to Mistral Dashboard's documentation!
+============================================
+
+Contents:
+
+.. toctree::
+   :maxdepth: 1
+
+   readme
+   contributing
+
+Indices and tables
+==================
+
+* :ref:`genindex`
+* :ref:`modindex`
+* :ref:`search`

doc/source/readme.rst

@@ -0,0 +1 @@
+.. include:: ../../README.rst