Update README.md

video link added

Author: elgar328

nyancat/README.md

@@ -5,8 +5,9 @@
 - You can stop Nyan by closing the figure.
 - Enjoy nyan cat to your heart's content.
 
-<img width="650" alt="nyancat_on_matlab" src="https://user-images.githubusercontent.com/93251045/227739427-098ddb81-5fb6-498e-aa72-063b7ba9093a.png">
+[Recorded video](https://youtu.be/wINua1u4yMs=0s)
 
+<img width="650" alt="nyancat_on_matlab" src="https://user-images.githubusercontent.com/93251045/227739427-098ddb81-5fb6-498e-aa72-063b7ba9093a.png">
 
 
 - Thanks to [keizi the lazy](https://github.com/keizikang)