laptop: Add multi-display setup

Add user interface module

Create user module

Create more hardware modules

Add british-english module

Add xserver modules

Add colemak module

Add Berlin module

Add dotfiles module

Add shell module

Add Nitrokey/GnuPG module

Create hidpi configuration module

Add syncthing configuration

Add adb configuration

Add audio configuration

Create laptop-relevant modules

Move entry point configs to root directory

Add grub2 module

Create entry point configuration for satoshipad

Add readme