- Add example for how to set box borders
- Add pyproject.toml to enable building with `build` module instead of `setup.py`
- Change docs deployment to use `mkdocs gh-deploy` on a branch instead of in the main repo
- Add `step` functionality to [Slider](slider.md)
- Add bold, italic, underline and overstrike to text-based widgets
- contributors [blindstars](https://github.com/blindstars), [james-pcdr](https://github.com/james-pcdr), [martinohanlon](https://github.com/martinohanlon), [lawsie](https://github.com/lawsie)