fixed demo video rendering

Author: KrishP147

README.md

@@ -59,7 +59,7 @@ For users practicing intermittent fasting, NutriSync offers built-in fasting tim
 
 ## Demo
 
-https://github.com/user-attachments/assets/demov1.mp4
+![Demo](https://github.com/user-attachments/assets/demov1.mp4)
 
 ## Tech Stack