Merge pull request MicrosoftDocs#12 from MicrosoftDocs/sai-update-0112

Rename overview.md to void conflict

Author: Saisang

msal/docs-ref-toc/fxtoc.yml

@@ -2,6 +2,6 @@
   uid: msal.sdk.landingPage.reference
   landingPageType: Root
   expanded: true
-  href: ~/overview/overview.md
+  href: ~/overview/msal-overview.md
   children:
     - '**'