Merge branch 'main' into scheduling-constraints

.gitlab-ci.yml

AKDashboard/tests.py

AKModel/admin.py

AKModel/environment.py

AKModel/locale/de_DE/LC_MESSAGES/django.po

AKModel/models.py

AKModel/templates/admin/AKModel/export/slides.tex

AKModel/templates/admin/AKModel/status.html

AKModel/templates/admin/AKModel/wiki_export.html

AKModel/urls.py

AKModel/views.py

AKPlanning/settings.py

AKPlanning/settings_ci.py

AKScheduling/templates/admin/AKScheduling/scheduling.html

AKScheduling/views.py

INSTALL.md

requirements.txt

static_common/common/css/chosen-sprite.png

static_common/common/css/chosen-sprite@2x.png

static_common/common/vendor/bootstrap/bootstrap-4.3.1.min.js