Add manifest ingestion troubleshooting guide

Author: Bharathi Selvaraj

articles/energy-data-services/toc.yml

@@ -128,3 +128,8 @@
     href: resources-partner-solutions.md
   - name: Pricing
     href: https://azure.microsoft.com/pricing/details/energy-data-services/
+- name: Support and troubleshooting
+  items:
+    - name: Troubleshooting manifest ingestion
+      href: troubleshoot-manifest-ingestion.md
+