Initialize MVVM architecture

lib/models/user_datas.dart

@@ -1,15 +1,15 @@
-import 'package:astronote_app/models/companie.dart';
+import 'package:astronote_app/models/company.dart';
 
-class User {
+class UserDatas {
   String lastname;
   List<Companie> companies;
   String firstname;
   String civilite;
 
-  User({this.lastname, this.companies, this.firstname, this.civilite});
+  UserDatas({this.lastname, this.companies, this.firstname, this.civilite});
 
 
-  User.fromJson(Map<String, dynamic> json) {
+  UserDatas.fromJson(Map<String, dynamic> json) {
     lastname = json['lastname'];
     if (json['companies'] != null) {
       companies = new List<Companie>();