* Kee track of changed assets
* Add support for multiplayer image assets
* fix tests
* Add images
* Improve asset deletion
* Remove assets from document
* Test with v small image only
* Add test for deleteShapes
* Cleanup document assets
* Add multiplayer assets to www
* remove default storage root, which was preventing migration
* Update onAssetDelete flow, rename some files
* bump upload size to 5mb
* Fix freeze bug where image fails to load
* fix logic for removing assets
* Update useMultiplayerState.ts
Co-authored-by: Steve Ruiz <steveruizok@gmail.com>