* feature(root): add vitest and some basic tests
* fix(test): after rebase + added referrars test and more sites
* fix(test): test broken after rebase
* fix(test): provide db url to make prisma happy
* fix tests
* feature(worker,api): refactor incoming events and support custom timestamps from the past
* fix(queue): add retry logic to events queue
* fix(worker): remove properties when merging server events