Merge branch 'develop' of https://github.com/Deutsche-Digitale-Bibliothek/ddb-next into develop
[bugfix/ddbnext-35] add horizontal line
Merge branch 'develop' of https://github.com/Deutsche-Digitale-Bibliothek/ddb-next into develop
Merge branch 'develop' of https://github.com/Deutsche-Digitale-Bibliothek/ddb-next into develop
Merge branch 'develop' into bugfix/ddbnext-35