Set Spring Boot project for the rest service
Empty AddWorkerController
POST operation to wrong path returns 404 (Not Found)
 - override addResourcehandler method to avoid return 405 when path not found
 - refactor test to move common logic to a parent class
 - add conversion method from object to json
 - tune eclipse formatter
Call service-domain project from controller
 - integration testing using standalone and webappcontext setup
 - housekeeping
Polish up standalone test
 - create an utility class to manage Object to Json Conversion and hold the Content Type
Add logic to receive different worker  user names in the request
Hateoas Error Handler when try to create duplicate Worker
  Return http error code 409 (Conflict)
Decouple Interactor creation from Controller
Unit test execute was called in controller
Move InteractorFactory interface to service-domain project
 - Fix implementation name
Rearrange and rename things for creating Requestor layer
Implement dynamic RequestBuilder to decouple specific Use Case Request creation from controller
Regroup service-domain project by entities and use cases  families
Static InteractorFactory implementation
 use more interfaces
Replace dynamic by static RequestBuilder
Interface segregation