refactor: clean architecture

app/adapters/geo/GeoApiClient.test.ts

app/adapters/geo/GeoApiClient.ts

app/adapters/geo/GeoApiClient.types.ts

app/adapters/geo/tests/fixtures.ts

app/adapters/jasd/JasdGateway.ts

app/adapters/jasd/tests/fixtures.ts

app/adapters/jasd/types/appapi.dto.types.ts

app/adapters/jasd/types/openapi.dto.types.ts

app/domain/HoliEvent.ts

app/fetch_event.ts

app/fetch_event_test.ts

app/fetch_events.ts

app/fetch_events_test.ts

app/server.ts

app/usecases/QueryEvent.test.ts

app/usecases/QueryEvent.ts

app/usecases/QueryEvents.test.ts

app/usecases/QueryEvents.ts

app/usecases/dependencies/FetchesJasdActivity.ts

app/usecases/dependencies/FetchesJasdEvents.ts