added videos to private link landing page

Author: asudbring

articles/private-link/index.yml

@@ -60,7 +60,18 @@ landingContent:
           - text: Azure PowerShell
             url: /powershell/module/az.network
           - text: REST
-            url: /rest/api/virtualnetwork/privatelinkservices           
-                
+            url: /rest/api/virtualnetwork/privatelinkservices
+
+ # Card
+  - title: Explore Azure Private Link
+    linkLists:
+      - linkListType: video
+        links:
+          - text: Azure Private Link
+            url: https://www.youtube.com/watch?reload=9&v=nuFEVvewUgQ
+          - text: Private connectivity to Azure PaaS services using Private Link
+            url: https://www.youtube.com/watch?v=aVFV1_ZwAEY
+          - text: "Azure Networking - #11 - Azure Private Link"
+            url: https://www.youtube.com/watch?v=PWKM5KXjWno