Change Log for Convenient Interaction with Data Space Integration

Version 0.1.0: 12/17/2024
- Initial Release

Version 0.2.0: 02/28/2025
- return correct error payload and HTTP status code: 
  - 404 if no offer found for the query parameters
  - 400 if more that one offer found for the query parameters
  - 4xx / 5xx if any other unhandled error occurs
- replace a lot of the Groovy scripts with equivalent flow steps
- allow configuration of polling intervals