* Add AnkiHub section to preferences screen
* Add short intro for AnkiWeb and AnkiHub to syncing section
* Add AnkiHub login screen
* Implement login methods in backend
* Set minimum dialog width
* Add missing colon
* Respect the ANKIHUB_APP_URL env var
This is used by the add-on.
* Simplify login error reporting
* Fix from_prefs_screen not passed to subcall
* Add missing ankihub_pb2 import
* Install AnkiHub add-on after sign-in
* Avoid .exec()
* Update ftl/core/sync.ftl
Co-authored-by: Damien Elmes <dae@users.noreply.github.com>
* Split translation string
* Support login by username/email
* Fix entered username/email not being passed back to on_done
* Remove unused import
* Move to 'Third-party services' section
* Tweak login dialog's heading
* Remove 'third-party' from intro text
* Tweak copy
* Prefix profile keys
* Tweak strings
* Remove description from login dialog
* Remove signup links
* Clear credentials in ankihub_logout()
* Call .adjustSize()
* Title Case
* Add padding to third-party services, and fix tab order from other PR
