Merge pull request #100376 from TylerMSFT/twhitney-flw

first draft of first line worker conceptual topic

Author: PMEds28

articles/active-directory/develop/TOC.yml

@@ -82,6 +82,8 @@
         href: tutorial-v2-windows-uwp.md
       - name: Windows Desktop .NET
         href: tutorial-v2-windows-desktop.md
+      - name: Use shared-device mode in your Android app
+        href: tutorial-v2-shared-device-mode.md
     - name: Daemon apps
       items:
       - name: ASP.NET daemon web app
@@ -208,6 +210,8 @@
           href: scenario-mobile-app-configuration.md
         - name: Mobile platforms specific config
           items:
+          - name: Shared device mode for Android devices
+            href: shared-device-mode.md
           - name: Xamarin Android
             href: msal-net-xamarin-android-considerations.md
           - name: System browser on Android