1) improve and document api (71)
(SHA: f32438695b3025056792e27a2adb6932333f3f95)

2) setup github actions to run tests and publish to npm (71)
(SHA: 42dd157a998e6e20c46084ec4e8c8ba488157de4)

3) setup github actions to run tests and publish to npm (71)
(SHA: fb04c4f2b11fa8580783ed888d94a18873c51760)