Implent async creation (offline) #584
Description
Using local queue + list of pending reports.
Example: outbox from Gmail
Ideas:
- https://code.zeba.academy/offline-apps-flutter-syncing-data-handling-connectivity-issues/
- https://medium.com/@dhruvmanavadaria/building-offline-auto-sync-in-flutter-with-background-services-using-workmanager-13f5bc94023d
- https://knowledgebase.inheritxdev.in/syncing-data-offline-in-flutter-a-comprehensive-guide/
- https://dev.to/anurag_dev/implementing-offline-first-architecture-in-flutter-part-2-building-sync-mechanisms-and-handling-4mb1
- https://pub.dev/packages/brick_offline_first/install