Added new sections

Added sections describing which documentation should be stored on wiki
vs rst, why the doc team chose rst/sphinx, and how to convert from
other formats, loosely based on Steven Wright's video. Updated
index.rst to account for the format-conversion section.

Change-Id: Iea9ec284fc273510177966d8325191ea39d049b2
Issue-Id: DOC-66
Signed-off-by: Spencer Seidel <jsseidel@fastmail.com>
diff --git a/docs/guide/onap-developer/how-to-use-docs/index.rst b/docs/guide/onap-developer/how-to-use-docs/index.rst
index 48d5aa9..cd387df 100644
--- a/docs/guide/onap-developer/how-to-use-docs/index.rst
+++ b/docs/guide/onap-developer/how-to-use-docs/index.rst
@@ -10,4 +10,5 @@
    documentation-guide
    style-guide
    include-documentation
+   converting-formats 
    addendum