* feat(mobile): use cached asset info if unchanged instead of downloading all assets
This adds an HTTP ETag to the getAllAssets endpoint and client-side support in the app.
If locally cache content is identical to the content on the server, the potentially large list of all assets does not need to be downloaded.
* use ts import instead of require
* delete and restore user from admin UI
* addressed review comments and fix e2e test
* added cron job to delete user, and some formatting changes
* addressed review comments
* adding missing queue registration
