Animated GIF Demos in README

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1

This Repo shows a demo at the top of the readme. I found that to be brilliant especially for CLI projects.

https://user-images.githubusercontent.com/6971318/95147815-cd1d6a80-074f-11eb-8265-56466ac628f8.gif(image larger than 4096KB)

2

This makes me think of AsciiCinema meeting the Fish shell. Any idea how this was made?