v2.0.0

Changelog

902beb6 root cmd: clean up error message
76def55 readme: more clean up
e11f6ff readme: lowercase
b2d5c24 readme: better API docs
cba7b9d license: update text to latest with https urls
14efcd6 goreleaser: update main
ffbc718 docs: various edits and improvements
7a3aa3f Update README.md
4148ffb Open version 1.4.0 for development
3e4965f Create codeql-analysis.yml
373880c 2.0: rewrite, flatten code base