Add configuration for `kitty`
Add configuration for `kitty`

Switched almost cold-turkey from RXvt Unicode to Kitty. With the
exception of some X11-related issues, it's gone seamlessly, and Kitty
seems like a much better terminal emulator.

benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles