Added an entry

Author: dknappettmsft

articles/virtual-desktop/index.yml

@@ -36,6 +36,10 @@ landingContent:
         links:
           - text: Create and connect to a Windows 11 desktop with Azure Virtual Desktop
             url: tutorial-create-connect-personal-desktop.md
+      - linkListType: get-started
+        links:
+          - text: Prerequisites
+            url: prerequisites.md
       - linkListType: how-to-guide
         links:
           - text: Create a host pool