Added more use cases links.

Issue-ID: INT-751

Change-Id: I9769fdc4a8812c31f8d7a18e7bbe476f1487bd69
Signed-off-by: helenc878 <helen.chen@huawei.com>
diff --git a/docs/docs_vFWDT.rst b/docs/docs_vFWDT.rst
index 633ffe3..b12d80a 100755
--- a/docs/docs_vFWDT.rst
+++ b/docs/docs_vFWDT.rst
@@ -1,3 +1,8 @@
+.. This work is licensed under a Creative Commons Attribution 4.0
+   International License. http://creativecommons.org/licenses/by/4.0
+   
+.. _docs_vfw_traffic:
+
 .. contents::
    :depth: 3
 ..