Update TOC.yml

Author: Julie Chen

articles/azure-netapp-files/TOC.yml

@@ -67,8 +67,8 @@
     href: azure-netapp-files-resize-capacity-pools-or-volumes.md
   - name: Develop
     items:
-# - name: REST
-#   href: azure-netapp-files-develop-with-rest-api.md
+    - name: REST 
+      href: azure-netapp-files-develop-with-rest-api.md
     - name: Azure NetApp Files SDKs and CLI tools
       href: azure-netapp-files-sdk-cli.md
     - name: Troubleshoot Azure NetApp Files Resource Provider errors