Updated index file for PDP-D Features.

Updated index file for PDP-D Features.
-------------------------------------------------------------

Change-Id: I310a6092ab7d760219e147d0a13d97b3c0e601fa
Issue-ID: POLICY-1169
Signed-off-by: Saryu Shah <ss3917@att.com>
diff --git a/docs/platform/index.rst b/docs/platform/index.rst
index aeaab70..0bac8a0 100644
--- a/docs/platform/index.rst
+++ b/docs/platform/index.rst
@@ -29,6 +29,16 @@
    :maxdepth: 1
 
    swarch_pdp.rst
+   swarch_pdpx.rst
+   swarch_pap.rst
+   swarch_brmsgw.rst
+
+PDP-D Features
+----------------------------
+
+.. toctree::
+   :maxdepth: 1
+
    feature_eelf.rst
    feature_testtransaction.rst
    feature_healthcheck.rst
@@ -37,9 +47,7 @@
    feature_activestdbymgmt.rst
    feature_locking.rst
    feature_pooling.rst
-   swarch_pdpx.rst
-   swarch_pap.rst
-   swarch_brmsgw.rst
+
 
 Policy Platform Tutorials
 -------------------------
@@ -62,4 +70,4 @@
    modAAIdata.rst
    oofhpa.rst
    oofSpec.rst
-   clc.rst
\ No newline at end of file
+   clc.rst