docs: replace video demo

Author: yoimerdr

README.md

@@ -9,12 +9,7 @@
 ![badge-desktop](http://img.shields.io/badge/platform-desktop-DB413D.svg?style=flat)
 ![badge-desktop](https://img.shields.io/badge/platform-web-59B6EC.svg?style=flat)
 
-<div style="text-align: center;">
-    <video controls>
-      <source src="images/sample_android_app.mp4" type="video/mp4">
-      Tu navegador no soporta el elemento de video.
-    </video>
-</div>
+![sample-android-application](images/sample_android_app.mp4)
 
 A customizable virtual joystick library for **Compose Multiplatform** that provides touch-based directional controls with configurable dead zones, multiple direction types, and customizable visual styles.