- Adds Authorization token as required header param to all endpoints (except authenticate itself)
- Documents correct data format for request bodies (relevant for updating and adding elements)
- No functional changes applied
- create a guest user and modify function that adds users to the DB for testing
- improve code coverage of file endpoint tests and remove some obsolete code from file package
- add more error info if role validation fails in all endpoints
- change response of GET files to only return the file data and nothing else
- fix some bugs in file endpoints that became visible by the tests
- rename common package to database
- move all code not related to database to new helper package
- add more test in database package to improve code coverage
- add a new (own) package for AMQP client
