Merge branch '399-enable-database-dump-import' into 'dev'

.docs/DEVELOPMENT.md

.docs/api-analyse.yaml

.docs/api-metadata.yaml

.docs/api-mirror.yaml

.env.unix.example

.gitlab-ci.yml

CONTRIBUTING.md

Makefile

README.md

dbrepo-authentication-service/dbrepo-realm.json

dbrepo-data-db/sidecar/Dockerfile

dbrepo-data-service/README.md

...e/src/test/java/at/tuwien/annotations/MockOpensearch.java

...ava/at/tuwien/service/DatabaseServiceIntegrationTest.java

...t/java/at/tuwien/service/QueueServiceIntegrationTest.java

...st/java/at/tuwien/service/UserServiceIntegrationTest.java

.../main/java/at/tuwien/service/impl/MariaDbServiceImpl.java

...src/main/java/at/tuwien/service/impl/UserServiceImpl.java

dbrepo-metadata-db/setup-schema.sql

dbrepo-metadata-service/Dockerfile