adding minimum requirement note. Can delete this once 3.27 ships to s…

…table

src/content/add-to-app/android/project-setup.md

@@ -431,6 +431,12 @@ val filePath = settingsDir.parentFile.toString() + "/flutter_module/.android/inc
 apply(from = File(filePath))
 ```
 
+:::note
+The ability to invoke `include_flutter.groovy` from Kotlin code requires Flutter 3.27.
+To determine your current Flutter version, run `flutter --version`. If it is not
+at least version 3.27, consider changing to either the `master` or `beta` channels.
+:::
+
 If you are using Groovy, apply the following changes:
 
 ```groovy title="MyApp/settings.gradle"