[Functions] Add Azure Cache for Redis articles to TOC

Author: ggailey777

articles/azure-functions/TOC.yml

@@ -608,6 +608,12 @@
           items:
             - name: Azure Cosmos DB - portal
               href: functions-integrate-store-unstructured-data-cosmosdb.md
+            - name: Azure Cache for Redis
+              items:
+                - name: Get started with VS Code 
+                  href: ../azure-cache-for-redis/cache-tutorial-functions-getting-started.md?toc=%2fazure%2fazure-functions%2ftoc.json
+                - name: Create a write-behind cache 
+                  href: ../azure-cache-for-redis/cache-tutorial-write-behind.md?toc=%2fazure%2fazure-functions%2ftoc.json
             - name: Storage
               items:
                 - name: Azure portal