Update README.md

Author: araobp

README.md

@@ -18,6 +18,8 @@ This project demonstrates a powerful integration between SvelteKit and Godot, cr
     </tr>
 </table>
 
+=> [Demo: a staic web site to demonstrate the Godot part](https://araobp.github.io/sveltekit-godot/demo/)
+
 ## 🚀 Motivation
 
 The primary goal of this project is to showcase how to build a rich, interactive web experience by combining the strengths of a modern web framework (SvelteKit) with a powerful 3D game engine (Godot). This allows for the creation of immersive 3D visualizations within a standard web application.