Update build-a-conversational-game-in-p5js.mdx

Author: asiqurrahman

projects/build-a-conversational-game-in-p5js/build-a-conversational-game-in-p5js.mdx

@@ -327,3 +327,11 @@ If you could use a game to have a conversation, what would you say, and who woul
 Extra challenge: Think of some other games that could be turned into conversations. Find existing code examples and see if you can find a way to modify them into this conversational format.
 
 Happy chatting! 
+
+<iframe
+  width="315"
+  height="560"
+  src="https://youtube.com/embed/JrzNSE_CDfk?si=aUEkP5z1SB96s5Dj"
+  title="YouTube video player"
+  allowFullScreen
+></iframe>