This PR moves the entire project to Typescript. Due to the ~1000 ignores this will lead to a messy codebase for a while, but the churn is worth it – all of those ignore comments are places that were never type-safe previously.
closes#1282
* fix: Attachments should not be deleted when their original document is deleted when referenced elsewhere
* fix: Attachments deleted prematurely when docs are placed in trash
* mock
* restore hook, cascading delete was the issue