Create label for architecture to ref

Creating a label so architecture document can reference this
new application.

Issue-ID: POLICY-1163
Change-Id: Ie3cef673f179240d562dc02411d38c9dfc038252
Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>
diff --git a/docs/index.rst b/docs/index.rst
index 112548b..cd2f90b 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -1,9 +1,11 @@
 .. This work is licensed under a Creative Commons Attribution 4.0 International License.
 
+.. _policy-ssd-doc:
+
 POLICY DISTRIBUTION
 ------------------------------------------------
 .. toctree::
    :maxdepth: 1
 
    Distribution-Introduction.rst
-   Distribution-User-Manual.rst
\ No newline at end of file
+   Distribution-User-Manual.rst