Review the list of terminal emulators we support

[alexrp]

This website happens to have a great list of terminal emulators that exist: https://www.arewesixelyet.com

Should go over them and determine whether we need to make changes:

cathode/doc/index.md

Lines 20 to 41 in 0d3c28a

	**Cathode** aims to have excellent support for the following terminal emulators:
	* [Alacritty](https://alacritty.org)
	* [ConEmu](https://conemu.github.io)
	* [foot](https://codeberg.org/dnkl/foot)
	* [GNOME Terminal](https://help.gnome.org/users/gnome-terminal/stable)
	* [iTerm2](https://iterm2.com)
	* [kitty](https://sw.kovidgoyal.net/kitty)
	* [Konsole](https://konsole.kde.org)
	* [mintty](https://mintty.github.io)
	* [mlterm](http://mlterm.sourceforge.net)
	* [PuTTY](https://www.putty.org)
	* [rxvt-unicode](http://software.schmorp.de/pkg/rxvt-unicode.html)
	* [Terminal.app](https://support.apple.com/guide/terminal/welcome/mac)
	* [Terminology](https://terminolo.gy)
	* [WezTerm](https://wezfurlong.org/wezterm)
	* [Windows Terminal](https://aka.ms/terminal)
	* [xterm](https://invisible-island.net/xterm)
	Even if you are using a terminal emulator that is not listed here, chances are
	that it will work just fine; these are just the ones that are tested regularly
	during development.