Merge branch 'feature/schedule_misc' into 'develop'

src/core/admin.py

src/core/locale/de/LC_MESSAGES/django.po

src/core/locale/en/LC_MESSAGES/django.po

...s/0159_event_banner_image_url_alter_event_banner_image.py

...rations/0160_usercommunicationchannel_caption_and_more.py

src/core/models/assemblies.py

src/core/models/events.py

src/core/models/users.py

src/core/tests/users.py

src/hub/settings/base.py

src/plainui/jinja2/plainui/base.html.j2

src/plainui/jinja2/plainui/components/list_events.html.j2

src/plainui/jinja2/plainui/event.html.j2

src/plainui/views/assemblies.py