Formatted the contents in CDS page

Change-Id: I5ce06a4ed5fc15bf3b9e9f2e567d1a8b5affc66d
Issue-ID: CCSDK-917
Signed-off-by: Ezhilarasi <ezhrajam@in.ibm.com>
diff --git a/docs/index.rst b/docs/index.rst
index 8669ffe..c16fee5 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -2,8 +2,8 @@
 .. http://creativecommons.org/licenses/by/4.0
 .. Copyright (C) 2019 IBM.
 
-CONTROLLER DESIGN STUDIO DOCUMENTATION REPOSITORY
--------------------------------------------------
+CONTROLLER DESIGN STUDIO (CDS) 
+------------------------------
 .. toctree::
    :maxdepth: 1
    
@@ -14,7 +14,7 @@
 This makes SERVICE PROVIDER(S) more responsive to its customers and able to deliver products that more closely match the needs of its customers.
 
 Design tools:
-=============
+-------------
 .. toctree::
    :maxdepth: 1
    :glob:
@@ -33,16 +33,16 @@
 Resource assignment:
 =====================
 Component executor:
--------------------
+===================
 Workflow:
----------
+=========
 
 A workflow defines an overall action to be taken for the service; it can be composed of a set of sub-actions to execute. Currently, workflows are backed by Directed Graph engine.
 
 A CBA can have as many workflow as needed.
 
 Template:
----------
+=========
 
 A template is an artifact.
 
@@ -58,7 +58,7 @@
 A template can represent anything, such as device config, payload to interact with 3rd party systems, resource-accumulator template, etc...
 
 Mapping:
---------
+========
 Defines the contract of each resource to be resolved. Each placeholder in the template must have a corresponding mapping definition.
 
 A mapping is comprised of:
@@ -69,8 +69,8 @@
 - dictionary-name
 - dictionary-source
 
-dependencies:
--------------
+Dependencies:
+=============
 
 This allows to make sure given resources get resolved prior the resolution of the resources defining the dependency.
 The dictionary fields reference to a specific data dictionary.