Merge remote-tracking branch 'origin/57-rework-database' into 55-improve-populate-py

...t/src/pages/presentationEditor/PresentationEditorPage.tsx

...ges/presentationEditor/components/CompetitionSettings.tsx

...ages/presentationEditor/components/SettingsPanel.test.tsx

...src/pages/presentationEditor/components/SettingsPanel.tsx

...src/pages/presentationEditor/components/SlideSettings.tsx

client/src/pages/presentationEditor/components/styled.tsx

server/app/apis/competitions.py

server/app/apis/slides.py

server/app/core/controller/edit.py

server/app/core/controller/get.py

server/app/core/models.py

server/app/core/parsers.py

server/app/core/rich_schemas.py

server/app/core/schemas.py

server/populate.py

server/tests/test_app.py

server/tests/test_db.py

server/tests/test_helpers.py