TF-571 Add account to identify which account with AuthenticationType are using

model/lib/account/account.dart

@@ -0,0 +1,13 @@
+import 'package:equatable/equatable.dart';
+import 'package:model/account/authentication_type.dart';
+
+class Account with EquatableMixin {
+  final String id;
+  final AuthenticationType authenticationType;
+  final bool isSelected;
+
+  Account(this.id, this.authenticationType, {required this.isSelected});
+
+  @override
+  List<Object?> get props => [id, authenticationType, isSelected];
+}