Implemented settings, new scan, enhanced UI/UX

lib/feature/authentication/model/user.dart

@@ -0,0 +1,18 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'user.g.dart';
+
+@JsonSerializable()
+class User {
+  User({ required this.number, required this.firstName, required this.lastName, required this.mail });
+
+  String number;
+  String lastName;
+  String firstName;
+  String mail;
+
+  factory User.fromJson(Map<String, dynamic> json) =>
+      _$UserFromJson(json);
+
+  Map<dynamic, dynamic> toJson() => _$UserToJson(this);
+}