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/installation.rst b/docs/guides/onap-user/installation.rst
new file mode 100644
index 0000000..7fe4daf
--- /dev/null
+++ b/docs/guides/onap-user/installation.rst
@@ -0,0 +1,14 @@
+Installation
+============
+
+Below is the installation procedure for SDN-R Images and Configuration parameters
+
+
+.. toctree::
+   :maxdepth: 1
+
+   sdnr_WT_Service_Configuration_parameters
+   sdnr_Docker_Image_configuration
+
+
+