feat : Modèle avec sérialisation automatique

lib/models/event.dart

@@ -0,0 +1,30 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'event.g.dart'; 
+
+@JsonSerializable()
+class Event {
+  String name;
+  String picture;
+  String organizer = 'Organizer';
+  String? place;
+  DateTime? date;
+  bool isFavorite;
+
+  Event({
+    required this.name,
+    required this.picture,
+    required this.organizer,
+    this.date,
+    this.place,
+    this.isFavorite = false,
+  });
+
+  @override
+  String toString() {
+    return 'Event{name: $name, picture: $picture}';
+  }
+
+  factory Event.fromJson(Map<String, dynamic> json) => _$EventFromJson(json);
+  Map<String, dynamic> toJson() => _$EventToJson(this);
+}