travis => actions

[ITProKyle]

ADD SECRETES TO THE REPO BEFORE MERGING

Summary

Transition from TravisCI to GitHub Actions.

What Changed

Added

• cicd GitHub Action workflow
• scripts for use with the cicd workflow
• indentation to .editorconfig
• editorconfig vscode extension recommendation
• docs for CI/CD workflow and documentation
• docs for maintainers outlining release process and how to use labels
  • labels are important for automated processes like drafting releases
• automated pypi releases
  • dev builds and tagged releases are published to Test PyPi
  • tagged releases are published to PyPi
• automated npm dev releases

Changed

• Makefile commands no longer use TravisCI environment variables
  • replaced some of the commands named for TravisCI with generalized names
• build badge on README.md is now for the CI/CD GitHub Actions workflow
• developer guide docs are now split into multiple files
• Runway's version (at build time) is based on the closest git tag and the distance to it
  • the current version can be obtained from the repo without installing runway using setup.py --version

Removed

• .travis.yml and scripts

Example artifacts (last build from a "feature branch" that includes npm-pack artifact): https://github.com/ITProKyle/runway/actions/runs/53961038

ADD SECRETES TO THE REPO BEFORE MERGING