more coherent naming of db + container service

docker-compose.yml

fda-container-service/.gitignore

...ontainer-service/.mvn/wrapper/MavenWrapperDownloader.java

fda-container-service/.mvn/wrapper/maven-wrapper.jar

fda-container-service/.mvn/wrapper/maven-wrapper.properties

fda-container-service/Dockerfile

fda-container-service/api/pom.xml

...ice/api/src/main/java/at/tuwien/api/dto/IpAddressDto.java

...a/at/tuwien/api/dto/container/ContainerActionTypeDto.java

...n/java/at/tuwien/api/dto/container/ContainerBriefDto.java

.../java/at/tuwien/api/dto/container/ContainerChangeDto.java

...t/tuwien/api/dto/container/ContainerCreateRequestDto.java

...c/main/java/at/tuwien/api/dto/container/ContainerDto.java

...n/java/at/tuwien/api/dto/container/ContainerStateDto.java

.../src/main/java/at/tuwien/api/dto/image/ImageBriefDto.java

...src/main/java/at/tuwien/api/dto/image/ImageChangeDto.java

...src/main/java/at/tuwien/api/dto/image/ImageCreateDto.java

...e/api/src/main/java/at/tuwien/api/dto/image/ImageDto.java

...rc/main/java/at/tuwien/api/dto/image/ImageEnvItemDto.java

...container-service/api/src/main/java/at/tuwien/api/pom.xml