docs: add note about multiplatform version in README

Author: yoimerdr

README.md

@@ -1,8 +1,9 @@
-
 # Android virtual joystick
 
 A library made in kotlin for native android that exposes a view for a virtual joystick. Customizable and simple to use.
 
+> **Note:** There is an improved, multiplatform version using Jetpack Compose available at [compose-virtualjoystick-multiplatform](https://github.com/yoimerdr/compose-virtualjoystick-multiplatform).
+
 ## Installation
 
 To use the library you can install it from [github packages](#github-packages-installation) or [locally](#local-installation). But before installation, make sure that your project meets the requirements.