Merge pull request #314754 from habibaum/15Apr-MVP-feedback-updates

MVP feedback - adding migration hub reference link

Author: Carolyn135

articles/migrate/toc.yml

@@ -461,6 +461,8 @@ items:
   - name: Azure Policy built-ins
     displayName: samples, policies, definitions
     href: ./policy-reference.md
+  - name: Azure Migration Hub
+    href: /azure/migration/
 - name: Resources
   items:
   - name: Migration in the Cloud Adoption Framework