- Added `RegulationRepository` and its `Exposed` implementation for persistence.
- Implemented REST endpoints for regulations (`/rules`) in `RegulationController`, including support for tournament classes, license matrix, guidelines, fees, and configuration retrieval.
- Integrated OpenAPI documentation for `/rules` endpoints with Swagger UI in `masterdataApiModule`.
- Enabled Micrometer-based metrics for Prometheus in the API layer.
- Updated Gradle dependencies to include OpenAPI, Swagger, and Micrometer libraries.
- Registered `RegulationRepository` and `RegulationController` in `MasterdataConfiguration`.
- Improved database access patterns and reduced repetitive validation logic across domain services.
- Added unit and application tests for `RegulationController` to verify API behavior and repository interactions.
- Updated the service's `ROADMAP.md` to mark API v1 endpoints and observability as complete.
Signed-off-by: Stefan Mogeritsch <stefan.mo.co@gmail.com>
