Use charmbracelet/vhs to auto-generate demo image

[Samyak2]

What?

Charm just released this: https://github.com/charmbracelet/vhs

Generating the demo image which you see in the README is a bit of a chore, adding friction to every release. vhs can automate some of this.

How?

Find a way to give a static seed to toipe and then write a vhs script to automatically type the words. Convert the recording to a GIF and upload it.