* Adding offline collaboration example using appflowy_editor_sync_plugin
* Adapting example to a new appflowy_editor_sync_plugin version.
* Revert "Adapting example to a new appflowy_editor_sync_plugin version."
This reverts commit 7ea235f6f6ceb34d00a365fd05e82cdb6c5a8c67.
* increase flutter-version for testing workflow
* fix: auto_scrollable_widget adding lint ignore: invalide_use_of_protected_member.
