vimrc: add settings for go
xinitrc: switch to i3
zprofile: JAVA_AWT_WM_NONREPARENTING is not needed anymore
Gemfile: add chef-backup, ffi
zshrc: zsh-autosuggestion, direnv, restore DIRSTACK
add packunlock alias
add zsh-autosuggestions repo
update zsh-syntax-highlighting
zprofile: chromeium is the new default
zprofile: Use Englisch locales
add zsh history substring search