Merge branch 'develop' into main

.gitlab-ci.yml

.gitlab/issue_templates/Bug.md

.gitlab/issue_templates/Feature-request.md

.gitlab/merge_request_templates/Bugfix.md

.gitlab/merge_request_templates/Feature.md

CHANGELOG.md

README.md

docker/Dockerfile-exist

exist-app/build.properties

exist-app/data/sample_2_teixml.xml

exist-app/data/sample_collection_tbd.xml

exist-app/data/sample_collection_tbd_meta.xml

exist-app/data/sample_edition_2_tbd.xml

exist-app/data/sample_edition_2_tbd_meta.xml

exist-app/data/sample_edition_tbd.xml

exist-app/data/sample_edition_tbd_meta.xml

exist-app/data/sample_styling_2_teixml.xml

exist-app/data/sample_styling_2_teixml_meta.xml

exist-app/data/sample_styling_teixml.xml

exist-app/data/sample_styling_teixml_meta.xml