Implemented settings, new scan, enhanced UI/UX

lib/feature/settings/bloc/settings_event.dart

@@ -0,0 +1,10 @@
+import 'package:hl_lieferservice/feature/settings/model/settings.dart';
+
+abstract class SettingsEvent {}
+
+class UpdateSettings extends SettingsEvent {
+  UpdateSettings({required this.settings});
+
+  Settings settings;
+}
+class LoadSettings extends SettingsEvent {}