Added links for use cases to its launching page.

Issue-ID: INT-748

Change-Id: I415165774440e255dcc2845b149bc8e92cb08d0f
Signed-off-by: helenc878 <helen.chen@huawei.com>
diff --git a/docs/docs_5G_Bulk_PM.rst b/docs/docs_5G_Bulk_PM.rst
index 909ba31..71d8778 100644
--- a/docs/docs_5G_Bulk_PM.rst
+++ b/docs/docs_5G_Bulk_PM.rst
@@ -1,5 +1,10 @@
-5G Bulk PM Use Case
-----------------------------
+.. This work is licensed under a Creative Commons Attribution 4.0
+   International License. http://creativecommons.org/licenses/by/4.0
+   
+.. _docs_5g_bulk_pm:
+
+5G Bulk PM
+----------
 
 5G Bulk PM Package
 ~~~~~~~~~~~~