~ move ghci dotfile
+ vim: black as python formatter
+ openvpn
+ wpa_supplicant_gui
+ dot2tex
+ graphviz
+ hlint
~ nix-shell: use zsh
~ zsh: show whether in nix-shell
~ ghci: hoogle with haddock links
~ ssh: login with hu id (no passphrase)
~ terminal: Source Code Pro
~ Use nix-writers
~ Split packages between system and user
+ Add screen locking
+ Log in automatically
+ Add redshift
+ Add dunst
~ Use X11 for the wallpaper
~ Fix vim config