Update TOC.yml

Author: jonburchel

articles/data-factory/TOC.yml

@@ -310,6 +310,8 @@ items:
     href: concepts-data-redundancy.md
 - name: How-to guides
   items:
+  - name: Create a data factory in UI
+    href: quickstart-create-data-factory.md
   - name: Create Data Factory Programmatically
     items:
     - name: Create data factory - Azure CLI