Merge branch 'conversion2' of https://github.com/dagiro/azure-docs-pr into stormtosparkmigration

Author: hrasheed-msft

articles/hdinsight/TOC.yml

@@ -793,6 +793,8 @@
       href: ./storm/apache-storm-write-data-lake-store.md
   - name: How to
     items:
+    - name: Migrate Storm to Spark
+      href: ./storm/migrate-storm-to-spark.md
     - name: Develop
       items:
       - name: Topologies