added actual link to youtube video in readme

README.md

@@ -81,12 +81,7 @@ This report focuses on the implementation of a framework application for launchi
 
 ## Demonstration
 
-<iframe width="560" height="315"
-src="https://www.youtube.com/embed/watch?v=7fGFl1yc59w" 
-frameborder="0"
-allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" 
-allowfullscreen>
-</iframe>
+[![Demonstration Video](https://i.imgur.com/PGnVIvw.png)](https://www.youtube.com/watch?v=7fGFl1yc59w)
 
 ## Directory Structure