more coherent naming of db + container service

fda-database-service/mvnw.cmd

fda-database-service/pom.xml

fda-database-service/rest-service/pom.xml

...c/main/java/at/tuwien/FdaDatabaseManagingApplication.java

...service/src/main/java/at/tuwien/config/SwaggerConfig.java

...src/main/java/at/tuwien/endpoints/DatabaseController.java

...ce/rest-service/src/main/resources/application-docker.yml

...e-service/rest-service/src/main/resources/application.yml

...service/rest-service/src/main/resources/config.properties

fda-database-service/services/pom.xml

...rvices/src/main/java/at/tuwien/config/DatabaseConfig.java

...ce/services/src/main/java/at/tuwien/entity/Auditable.java

...ce/services/src/main/java/at/tuwien/entity/Container.java

...rvices/src/main/java/at/tuwien/entity/ContainerImage.java

...ice/services/src/main/java/at/tuwien/entity/Database.java

...vices/src/main/java/at/tuwien/entity/EnvironmentItem.java

...ervice/services/src/main/java/at/tuwien/entity/Table.java

...service/services/src/main/java/at/tuwien/entity/View.java

.../java/at/tuwien/exception/ContainerNotFoundException.java

...java/at/tuwien/exception/DatabaseConnectionException.java