Update README.md

Author: 0x77dev

README.md

@@ -5,7 +5,7 @@ Peer-to-peer terminal chat based on [DStack](https://github.com/dstack-js/dstack
 
 Checkout [DStack blog post](https://dstack.0x77.dev/blog/peerchat) to learn more
 
-![Demo](docs/demo.svg)
+[![asciicast](https://asciinema.org/a/465056.svg)](https://asciinema.org/a/465056)
 
 _Recording looks ugly, but in terminal it seems to be fine_