Added missing file

docs: Incorporate Javier's progressive VPP tutorial

Change-Id: Iecee041039c7ed81713bc0530fc536e989c71497
Signed-off-by: John DeNisco <jdenisco@cisco.com>
diff --git a/docs/gettingstarted/users/configutil/installing.rst b/docs/gettingstarted/users/configutil/installing.rst
index 57929ae..d9fa561 100644
--- a/docs/gettingstarted/users/configutil/installing.rst
+++ b/docs/gettingstarted/users/configutil/installing.rst
@@ -2,9 +2,11 @@
 
 .. toctree::
 
-**********
-Installing
-**********
+.. _installing-vpp-config:
+
+*********************
+Installing VPP-Config
+*********************
 
 The FD.io VPP configuration utility uses the `Python Package Index <https://pypi.org>`__
 or "pypi".