Add user guide

Change-Id: I94356f13a5191a622dd824f35b2ad5a40134acc4
diff --git a/doc/source/index.rst b/doc/source/index.rst
index a6210d3..3931253 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -1 +1,9 @@
-.. include:: ../../README.rst
+==========================
+Helm Formula documentation
+==========================
+
+.. toctree::
+   :maxdepth: 2
+
+   README
+   guide