Update TOC.yml

Author: KingdomOfEnds

articles/time-series-insights/TOC.yml

@@ -174,6 +174,8 @@
       href: https://social.msdn.microsoft.com/Forums/home?forum=AzureTimeSeriesInsights
     - name: Product requests and suggestions
       href: https://feedback.azure.com/forums/906859-azure-time-series-insights
+  - name: Azure videos
+    href: https://azure.microsoft.com/resources/videos/index/?services=time-series-insights
   - name: Channel 9 videos
     href: https://channel9.msdn.com/Search?term=time%20series%20insights
   - name: Azure IoT updates