Update toc.yml

Author: Juliako

articles/azure-video-analyzer/video-analyzer-docs/toc.yml

@@ -85,6 +85,8 @@
     href: https://go.microsoft.com/fwlink/?linkid=2163454
   - name: Widgets sample repository
     href: https://go.microsoft.com/fwlink/?linkid=2173229
+  - name: Postman sample repository
+    href: https://github.com/Azure-Samples/video-analyzer-postman
 - name: Concepts
   items:
   - name: Pipeline
@@ -224,4 +226,4 @@
   - name: Video Analyzer edge
     href: https://aka.ms/ava-marketplace
   - name: Video Analyzer service
-    href: https://aka.ms/ava-service
+    href: https://aka.ms/ava-service