update readme

Author: naderzare

README.md

@@ -72,7 +72,7 @@ TDB
 
 ### Tutorial Video (Persian)
 
-<iframe width="560" height="315" src="https://www.youtube.com/embed/97YDEumcVWU?si=a5meyaRTzbgMRhXT" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
+[![IMAGE ALT TEXT HERE](https://img.youtube.com/vi/97YDEumcVWU/0.jpg)](https://www.youtube.com/watch?v=97YDEumcVWU&t=0s)
 
 ## How to change the code