v1.3.0

Added

• CI - GitHub Actions CI.
  • python-test - Lint and Test package, and publish test coverage to Codecov.
  • python-publish - Publish package to PYPI.
  • docs-publish - Publish docs to GitHub Pages.
• CI - pre-commit lint hooks.

Changed

• GENERAL - Code formatting and folder structure.
• BUILD - Upgrade from setup.py to pyproject.toml with flit build tool.

Removed

• CI - Travis CI.