Added basic project structure - FE-41741

(Subtask: [GeoKnow] Finalize D4.3.1)
Initial DTO and service implementation - FE-41741

Copied resources over from core because otherwise swagger would not notice them and the API docs won't build properly.

It is now possible to use both java -jar and tomcat:run-war to run the application. For the war, the documentation is at the root of the context, e.g., localhost:8080/coevolution-service/ .

(Subtask: [GeoKnow] Finalize D4.3.1)
Basic implementation of change request DAO and applier - FE-41741

(Subtask: [GeoKnow] Finalize D4.3.1)
Added methods in REST API services - FE-41741

(Subtask: [GeoKnow] Finalize D4.3.1)