MDB - Add Catalog article to ToC

Author: RoseHJM

articles/dev-box/toc.yml

@@ -92,6 +92,8 @@ items:
         href: how-to-configure-customization-tasks.md
       - name: Connect to Azure resources and repositories
         href: how-to-customizations-connect-resource-repository.md
+      - name: Add and Manage Catalogs
+        href: how-to-configure-catalog.md
   - name: Create & connect to dev boxes
     items:
       - name: Manage a dev box through developer portal