Refactor
- use constants for strings
- more tests
- move constraint code into own package
Enhance
- all constrains use doublestart (glob pattern matching) now
Co-authored-by: Anbraten <anton@ju60.de>
since github.com/docker/libcompose is deprecated, unmaintained and archived.
and license is the same as woodpecker's, we can just copy stuff into woodpecker directly.
(we only use types of that project anyway)
