TOC, Index, file rename

Author: diberry

articles/container-apps/TOC.yml

@@ -443,6 +443,11 @@
           - name: Build a Java metrics dashboard with Azure Managed Grafana
             href: java-metrics-with-grafana.md
             displayName: java
+    - name: JavaScript
+      items: 
+      - name: Overview
+        href: javascript-overview.md
+        displayName: javascript, typescript, node.js
 - name: Billing & quotas
   items:
     - name: Billing

articles/container-apps/developer-guide-javascript.md renamed to articles/container-apps/developer-overview.md

@@ -25,6 +25,8 @@ landingContent:
             url: dotnet-overview.md
           - text: Learn to develop with Java
             url: java-overview.md
+          - text: Learn to develop with JavaScript
+            url: javascript-overview.md
   - title: Get started
     linkLists:
       - linkListType: quickstart