* add destroy hook
* refresh details modal in interval
* refactor to refresh assets list
* disable create snapshot button when there is a pending snapshot
* Add basic HTML snapshots
* Implement asset list
* Add snapshot creation tests
* Add deletion tests
* Show file size
* Remove snapshots
* Create new snapshots
* Switch to single-file
* CSS tweak
* Remove auto refresh
* Show delete link when there is no file yet
* Add current date to display name
* Add flag for snapshot support
* Add option for disabling automatic snapshots
* Make snapshots sharable
* Document image variants
* Update README.md
* Add migrations
* Fix tests