Merge pull request #109568 from lisaguthrie/restupdate

TOC update to add mgmt plane REST API link

Author: shawnmariejones

articles/azure-app-configuration/TOC.yml

@@ -120,14 +120,18 @@
           href: https://go.microsoft.com/fwlink/?linkid=2103727
         - name: Azure SDK for JavaScript
           href: https://go.microsoft.com/fwlink/?linkid=2103664
-        - name: REST
+        - name: REST API
           href: https://go.microsoft.com/fwlink/?linkid=2078296
     - name: Feature management
       items:
         - name: .NET Core library
           href: https://go.microsoft.com/fwlink/?linkid=2091700
         - name: .NET Core filter library
           href: https://go.microsoft.com/fwlink/?linkid=2091601
+    - name: Config store management
+      items:
+        - name: REST API
+          href: https://docs.microsoft.com/rest/api/appconfiguration/
 - name: Resources
   items:
     - name: Pricing