Do not add whitespace before exports. Let them be saved to zsh history.
This allows to search them and execute them in other splits more easily.
Remove dead unused code, e.g. testing database, which I didn't use for a
while.
This scripts is run from shell and created my development environment
(IDE) within a new tmux session.
Don't expect documentation. It was written only for myself.
This is grown and contains fallbacks to old conventions.
Daniel Siepmann