Shift Aggregator to be java class based

[demilolu]

Background on the problem the feature will solve/improved user experience

Currently our aggregator is Swagger based, which might be fast in the short term but limiting long term.

Describe the solution you'd like

Shift to class-based view in aggregator

Tasks

Description of the development tasks needed to complete this issue, including tests,

Acceptance Criteria

Standards we believe this issue must reach to be considered complete and ready for a pull request. E.g precisely all the user should be able to do with this update, performance requirements, security requirements, etc as appropriate.

[github-actions]

👋 Hi! This issue has been marked stale due to inactivity. If no further activity occurs, it will automatically be closed.

[upkarlidder]

Closing. Duplicate of #25