Merge branch 'master' into 'release-1.4.5'

.docker/.env

.docker/config/.gitkeep

.docker/dist.tar.gz

.docker/docker-compose.yml

.gitignore

dbrepo-analyse-service/Pipfile.lock

dbrepo-analyse-service/app.py

dbrepo-analyse-service/determine_dt.py

dbrepo-analyse-service/determine_pk.py

dbrepo-analyse-service/lib/dbrepo-1.4.4-py3-none-any.whl

dbrepo-analyse-service/lib/dbrepo-1.4.4.tar.gz

...ice/src/main/java/at/tuwien/endpoints/SubsetEndpoint.java

...vice/src/main/java/at/tuwien/endpoints/TableEndpoint.java

.../test/java/at/tuwien/endpoint/SubsetEndpointUnitTest.java

...t/java/at/tuwien/service/TableServiceIntegrationTest.java

...main/java/at/tuwien/gateway/impl/KeycloakGatewayImpl.java

...va/at/tuwien/gateway/impl/MetadataServiceGatewayImpl.java

...ervices/src/main/java/at/tuwien/mapper/MariaDbMapper.java

...ervices/src/main/java/at/tuwien/service/TableService.java

.../java/at/tuwien/service/impl/TableServiceMariaDbImpl.java