Setup Video Guide Added. Also Added YT Video.

Signed-off-by: Someshdiwan <Someshdiwan369@gmail.com>

Author: Someshdiwan

site/index.md

@@ -52,7 +52,7 @@ Learn how to download and run the JavaEvolution project on your local machine in
 
 🎬 **Watch the video walkthrough:**  
 <a href="https://youtu.be/w-GR5y96P70" target="_blank">
-<img src="https://img.youtube.com/vi/w-GR5y96P70/0.jpg" alt="Watch the Setup Guide on YouTube" width="320">
+<img src="https://img.youtube.com/vi/w-GR5y96P70/0.jpg" alt="Watch the Setup Guide on YouTube" width="300" height="170">
 </a>
 
 A step-by-step setup tutorial for beginners. Covers GitHub cloning, folder structure, how to use the site, and project overview.