- 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
- 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
- add validators for simulation model endpoints
- revise endpoint implementations and fix responses of simulation models
- clean up testdata, serializers and responses for simulation models
- change default values of output length and input length of signal mappings to 0
