Github Action Toolkit in Elixir, Elixir port of actions/toolkit
https://github.com/actions/toolkit/blob/main/packages/core/src/core.ts
https://github.com/actions/toolkit/blob/main/packages/core/src/command.ts
https://docs.github.com/en/free-pro-team@latest/actions/reference/context-and-expression-syntax-for-github-actions#github-context
A github action logger backend.