Update README.md

Author: 2manoj1

README.md

@@ -1,10 +1,13 @@
-Demo Video
+## Demo Video
 
 
-https://user-images.githubusercontent.com/15128569/231806893-56341da8-802e-42e5-8ad4-9391d3eb6ca8.mov
+https://user-images.githubusercontent.com/15128569/231808086-04c20af5-ff35-4561-8bb4-802dd7c1a9c5.mp4
 
 
 
+
+## Demo Index page
+
 <img width="1508" alt="Screenshot 2023-04-13 at 7 37 33 PM" src="https://user-images.githubusercontent.com/15128569/231785311-e8806b8d-2813-4c5a-ae83-170e741ef495.png">