Final polish (#14)
Description
- Update version to beta!!! 🎉🎉🎉
- Add "z", "x", and "esc" as UI navigation controls
- Allow for menus to be used with mouse and keyboard interchangeably
- Update README
- Update CONTRIBUTING
- Update LICENCE (GPLv3)
- Update CODEOWNERS
- Minor discord fix in deploy workflow
- Clean up export configurations
- Add promo card to repo
- Misc. refactoring to remove warnings