Merge pull request #10 from tristanlins/master

Integrate client into main module.
update tutorial (new foldername, and use git ssh readonly address)
drop contao 2 classloader before updating packages
Merge pull request #11 from ContaoCommunityAlliance/fix/cto-classloader

drop contao 2 classloader before updating packages
prefer dist packages
Merge pull request #12 from ContaoCommunityAlliance/feature/prefer-dist

prefer dist packages
! is a sign needs to get escacped in terminal
change icon to the composer one
use packagist icon until we get a new
Remove debug output.
Remove caching that is not supported on contao 3.
Add some documentation to backend.css.
Improve details view.