gif.js git dependency problematic for codesandbox and CI services

[FWeinb]

It would be great if this library could be used on codesandbox.io to get started quickly and for sharing.

Currently you are using a git+ssh reference to the gif.js library here: https://github.com/KanoComputing/kano-code/blob/8944a63041e8624eb4976044aad54039ae0dbbd1/package.json#L84

codesandbox.io isn't able to resolve that:

This could possible be an issue for using CI services too.