1.2.20231219 - Finegrained authorization

Added

• Instead of only a single role (edit_aiod_resources), now roles such as crud_datasets, create_datasets work as well (#232)
• Add releases url to Swagger description (#233)

Fixed

• Bugfix: make sure Contact works when it specifies an organisation (#234)
• Minor fix in documentation (#228)

Changed

• Refactoring of Pydantic Annotations, without functional changes (#230)