Merge remote-tracking branch 'origin/main' into main

BACKLOG.md

docs/Domain_Model.md

docs/uml_gaphor/covid19python_url.gaphor

src/covid19/blueprints/europe/europe_model_import.py

src/covid19/blueprints/europe/europe_service_import.py

src/covid19/blueprints/europe/europe_service_update.py

src/covid19/blueprints/europe/europe_views.py

src/covid19/blueprints/rki/rki_model.py

src/covid19/blueprints/rki/rki_model_import.py

src/covid19/blueprints/rki/rki_service_update.py

src/covid19/blueprints/vaccination/vaccination_model.py

...ovid19/blueprints/vaccination/vaccination_model_import.py

...id19/blueprints/vaccination/vaccination_service_import.py

...id19/blueprints/vaccination/vaccination_service_update.py

src/covid19/blueprints/vaccination/vaccination_views.py

src/covid19/blueprints/who/who_model.py

src/covid19/blueprints/who/who_model_import.py

src/covid19/blueprints/who/who_service_update.py

src/covid19/blueprints/who/who_views.py