Setup github actions

[aliciapaz]

Try migrating from Travis to Github Actions for CI

[welcome]

Thanks for opening this pull request! Dangerbot will test out your code and reply in a bit with some pointers and requests.
There may be some errors, but don't worry! We're here to help! 👍🎉😄

[welcome]

Congrats on merging your first pull request! 🙌🎉⚡️
Your code will likely be published to https://publiclab.org in the next few days.
In the meantime, can you tell us your Twitter handle so we can thank you properly?
Now that you've completed this, you can help someone else take their first step!
See: Public Lab's coding community!

[jywarren]

Very nice!!! Thanks!