composer.json file: add missing properties (name, description, ...) and fix licence

Documentation: the composer.json schema

changed milestone to %v0.1.0

added DevOps To Do labels

changed title from composer.json file: add missing properties (name, description) and fix licence to composer.json file: add missing properties (name, description, ...) and fix licence

changed the description

mentioned in commit 1f52cb47

mentioned in merge request !8 (merged)

closed via merge request !8 (merged)

removed To Do label