### Description
 Add a keybinding that toggles centering Alacritty horizontally when it's the only window, while still tiling multiple windows.

### Download
- [2020-12-14](https://github.com/djpohly/dwl/compare/main...guidocella:center-terminal.patch)

### Authors
- [Guido Cella](https://github.com/guidocell)