I3-swap-focus

**Full Changelog**: https://github.com/olivierlemoal/i3-swap-focus/compare/0.4.4...0.4.5

- Update to a `pyproject.toml` file

* Fix 2 again (Thanks to fabio-blanco)

* Fix 2

* Minor fix (missing shebang)

* Rename script to `i3-swap-focus` (more consistent with similar i3 tools)
* Use signals to toggle window switch
* Update doc

:warning: Your will need to update your i3/sway configuration.