added netris-ufm doc

Author: pogossian

index.rst

@@ -40,7 +40,7 @@ You are welcome to join our `Slack channel <https://netris.io/slack>`_ to get ad
    tutorials/netris-vpc-for-gcp
    tutorials/vpc-gateways-with-managed-fabric.rst
    tutorials/netris-cloudstack
-
+   netris-ufm-integration
 
 .. toctree::
    :maxdepth: 4