SDN-R readthedocs content changes

SDN-R readthedocs content and tree structure changes

Issue-ID: SDNC-819
Signed-off-by: sai-neetha <sai-neetha.phulmali@highstreet-technologies.com>
Change-Id: I025d59d59dddc3d68bae5390ef541ca718939a50
diff --git a/docs/guides/onap-user/home.rst b/docs/guides/onap-user/home.rst
index cf8b192..8885721 100644
--- a/docs/guides/onap-user/home.rst
+++ b/docs/guides/onap-user/home.rst
@@ -25,10 +25,7 @@
 .. toctree::
    :maxdepth: 1
 
-   connect
-   pnfFault
-   pnfMaintenance
-   pnfConfig
-   pnfPerformance
-   pnfInventory
-   pnfMediator
+   applications
+   installation
+   faq
+   abbreviations