Docs: Add note about Android Studio check in VS Code setup (#12907)

Fixes #12820. Added a note to the Quick Start guide warning users that
VS Code setup might check for Android Studio, which can be ignored if
targeting other platforms.

---------

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: sfshaza2

src/content/get-started/quick.md

@@ -241,6 +241,12 @@ follow the instructions in [Install Flutter manually][].
 
        {:type="a"}
 
+    :::note
+    The VS Code setup process might check for Android Studio, which can result in a warning if it's not installed.
+    You can safely ignore this if you're targeting other platforms (like web, iOS, or macOS), as the installation will still succeed.
+    Afterward, run `flutter doctor` to verify your installation.
+    :::
+
  1. <h3>Troubleshoot installation issues</h3>
 
     If you encounter any issues during installation,