* Issue #24 update_data
* Issue #26 /admin/database/dump
* Issue #28 /admin/database/import
* Fixed #29 /who/info
* Fixed #30 /europa/info
* Fixed #31 /rki/info
* Fixed #32 /nrw/info
* Issue #33 /europe/date_reported
* Issue #34 /europe/continent
* Issue #35 /europe/country
* Issue #36 /europe/data
* Fixed #37 switch from RabbitMQ to Redis
* Fixed #38 update Celery from 4 to 5