Added getAllCars

core/openapi.yaml

...cz/muni/pa165/data/repository/CarComponentRepository.java

.../java/cz/muni/pa165/data/repository/DriverRepository.java

...ava/cz/muni/pa165/data/repository/EngineerRepository.java

core/src/main/java/cz/muni/pa165/facade/CarFacade.java

.../src/main/java/cz/muni/pa165/facade/DepartmentFacade.java

...c/main/java/cz/muni/pa165/mappers/CarComponentMapper.java

core/src/main/java/cz/muni/pa165/mappers/CarMapper.java

...src/main/java/cz/muni/pa165/mappers/DepartmentMapper.java

core/src/main/java/cz/muni/pa165/mappers/DriverMapper.java

core/src/main/java/cz/muni/pa165/mappers/EngineerMapper.java

core/src/main/java/cz/muni/pa165/rest/CarController.java

...rc/main/java/cz/muni/pa165/rest/DepartmentController.java

core/src/main/java/cz/muni/pa165/service/CarService.java

...rc/main/java/cz/muni/pa165/service/DepartmentService.java

core/src/test/java/cz/muni/pa165/service/CarServiceTest.java

...rc/test/java/cz/muni/pa165/service/DriverServiceTest.java