added the mapping, repository, dto classes, service config

electricityTarifMicroservice/pom.xml

...165/microservice4/electricityprices/ElectricityPrice.java

...croservice4/electricityprices/ElectricityPriceMapper.java

...ervice4/electricityprices/ElectricityPriceRepository.java

...roservice4/electricityprices/ElectricityPriceService.java

...rvice4/electricityprices/ElectricityPriceServiceImpl.java

.../pa165/microservice4/electricityprices/ServiceConfig.java

...e4/electricityprices/dtos/ElectricityPriceGetFullDto.java

...electricityprices/dtos/ElectricityPriceHighTariffDto.java

.../electricityprices/dtos/ElectricityPriceLowTariffDto.java

...vice4/electricityprices/dtos/ElectricityPricePostDto.java

...src/test/java/cz/muni/fi/pa165/microservice4/AppTest.java

...i/pa165/microservice4/ElectricityPriceControllerTest.java