Updated documents

1. Remove harbor references
2. Using clone commands using annonymous https
3. Added more notes & diagrams in the configuration

Change-Id: Iaaf5be0b2a1065f58d8b9c3efcba408056539535
diff --git a/configuration/config.rst b/configuration/config.rst
index d37072c..df751dd 100644
--- a/configuration/config.rst
+++ b/configuration/config.rst
@@ -29,10 +29,16 @@
     - REST Config Interface
 
         - Basic static configuration is passed through helm chart
-        - Dynamic slice creation APIs are provided through REST interface.
+        - Dynamic *Network Slice* management  APIs are provided through REST interface.
         - REST APIs are defined to create/modify/delete network slice.
         - REST APIs are also provided to provision subscribers and grouping the subscribers under device Group.
 
+.. image:: ../_static/images/config_slice.png
+  :width: 500px
+  :align: center
+
+
+
 Configuration Steps
 -------------------
 This Configuration describes what to configure at high level from RoC/SIMAPP. ConfigPod stores this configuration