openbox: Create chroot for launching applications
openbox: Add keybinding to reconfigure openbox
openbox: Add keybinding to break application chroot
openbox/autostart: Launch docker-tray
openbox/autostart: Make sure docker-tray is started after lal
openbox/menu: Add transmission-gtk
zsh/prompt: Fix RPROMPT
zsh/prompt: Remove unused variable
Add docker to requirements