chore: switch to GitHub workflow (based on template)

[brody4hire]

TODO items:

• [ ] switch to Yarn
• [ ] work with codecov
• [ ] ensure that the GitHub workflow is really enabled

[codecov[bot]]

Codecov Report

Merging #630 (2309089) into master (70253e5) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #630   +/-   ##
=======================================
  Coverage   85.83%   85.83%           
=======================================
  Files          19       19           
  Lines         692      692           
  Branches      135      135           
=======================================
  Hits          594      594           
  Misses         78       78           
  Partials       20       20           

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[ctrlplusb]

Excellent. Thanks for starting this. I will make time to review this and switch over. :)

[ctrlplusb]

Thanks for this! I'm finally fluent in GitHub Actions and will be slowly moving towards a robust solution.