tweak both TOC files

Author: markingmyname

docs/azure-data-studio/toc.yml

@@ -8,11 +8,11 @@
   href: download-azure-data-studio.md
 - name: Release notes
   href: release-notes-azure-data-studio.md
+
 - name: Overview
   items:
   - name: Azure Data Studio
     href: what-is.md
-  items:
 - name: Quickstarts
   items:
   - name: Connect & query SQL Server

docs/toc.yml

@@ -7764,7 +7764,7 @@
   - name: Overview
     href: tools/overview-sql-tools.md
   - name: Azure Data Studio >
-    href: azure-data-studio/index.yml
+    href: azure-data-studio/
   - name: Command prompt utilities
     href: tools/command-prompt-utility-reference-database-engine.md
     items: