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);
+}

lib/feature/authentication/model/user.g.dart

@@ -0,0 +1,21 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'user.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+User _$UserFromJson(Map<String, dynamic> json) => User(
+  number: json['number'] as String,
+  firstName: json['firstName'] as String,
+  lastName: json['lastName'] as String,
+  mail: json['mail'] as String,
+);
+
+Map<String, dynamic> _$UserToJson(User instance) => <String, dynamic>{
+  'number': instance.number,
+  'lastName': instance.lastName,
+  'firstName': instance.firstName,
+  'mail': instance.mail,
+};