Update TOC.yml

Author: KingdomOfEnds

articles/digital-twins/TOC.yml

@@ -110,6 +110,8 @@
       href: https://feedback.azure.com/forums/916621-azure-digital-twins
   - name: Customer stories
     href: https://customers.microsoft.com/en-us/search?sq=%22Azure%20Digital%20Twins%22&ff=&p=0&so=story_publish_date%20desc
+  - name: Azure videos
+    href: https://azure.microsoft.com/resources/videos/index/?services=digital-twins&sort=newest
   - name: Channel 9 videos
     href: https://channel9.msdn.com/Search?term=%22Azure%20Digital%20Twins%22
   - name: Azure IoT updates