Adding Ignite lab to public docs

Author: djpmsft

articles/data-factory/TOC.yml

@@ -132,6 +132,10 @@
       href: tutorial-deploy-ssis-packages-azure.md
     - name: Azure PowerShell
       href: tutorial-deploy-ssis-packages-azure-powershell.md
+  - name: End-to-end labs
+    items:
+    - name: Data integration using data factory and data share
+      href: lab-data-flow-data-share.md
 - name: Samples
   items:
   - name: Code samples