Update README.md

Author: ParthHalwane

README.md

@@ -2,10 +2,11 @@
   <img src="https://github.com/user-attachments/assets/95c5f961-82af-4384-b396-72e2b5e17418" style="width:80%;" />
 </p>
 
-<video width="640" height="360" controls>
-  <source src="https://youtu.be/bN1pSdE8klc" type="video/mp4">
-  Your browser does not support the video tag.
-</video>
+<p align="center">
+  <a href="https://youtu.be/bN1pSdE8klc">
+    <img src="https://img.youtube.com/vi/bN1pSdE8klc/0.jpg" alt="Watch the demo">
+  </a>
+</p>
 
 
 <b>SOMETIMES THE WEBSITE MAY NOT WORK DUE TO THE USAGE OF WEBSOCKETS WHICH HAS LIMITATIONS ON HOSTING SERVICES LIKE VERCEL AND RENDER.</b>