* Converge on UserSessionFlowCoordinator logout confirmation
* Add logout confirmation screen strings to untranslated.
* Fix chat backup learn more URl fragment.
* Implement logout flows that check recovery and key backup for the last session
* Move logout confirmation screen strings to localazy
* Change encrypted timeline item copy to "Waiting for decryption key"
* Use different encrypted history banner based on key backup states
* Introduce a SettingsFlowCoordinator and implement navigation directly to the secure backup screen from the logout flows.
* Fix **mocked** secure backup controller flows
* Simplify encrypted history banner logic
* Address PR comments
* Handle link opening on the top most levels and prepare for percolating them throughout the app
* Add support for a custom app scheme
* Add specific AppRoute parsers.
* Integrate custom scheme in the AppRouteURLParser
* Switch to `element://call` and cleanup route parsing
* Remove swift-url-routing and replace it with a custom implementation. It fails parsing the fragments in app.element.io links and it doesn't bring any value
* Add handling for opening generic element call links
* Add applinks support for call.element.io
* Enable VoIP and Audio playback background modes
