* Create base shared instance migration and initial routes
* Fix build
* Add version uploads
* Add permissions field for shared instance users
* Actually use permissions field
* Add "public" flag to shared instances that allow GETing them without authorization
* Add the ability to get and list shared instance versions
* Add the ability to delete shared instance versions
* Fix build after merge
* Secured file hosting (#3784)
* Remove Backblaze-specific file-hosting backend
* Added S3_USES_PATH_STYLE_BUCKETS
* Remove unused file_id parameter from delete_file_version
* Add support for separate public and private buckets in labrinth::file_hosting
* Rename delete_file_version to delete_file
* Add (untested) get_url_for_private_file
* Remove url field from shared instance routes
* Remove url field from shared instance routes
* Use private bucket for shared instance versions
* Make S3 environment variables fully separate between public and private buckets
* Change file host expiry for shared instances to 180 seconds
* Fix lint
* Merge shared instance migrations into a single migration
* Replace shared instance owners with Ghost instead of deleting the instance
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