initial upload

lib/models/udp_package.dart

@@ -0,0 +1,39 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'udp_package.g.dart';
+
+@JsonSerializable()
+class UdpPackage {
+  final String id;
+  final String name;
+  final String data;
+  final String ipAddress;
+
+  UdpPackage({
+    required this.id,
+    required this.name,
+    required this.data,
+    required this.ipAddress,
+  });
+
+  factory UdpPackage.fromJson(Map<String, dynamic> json) =>
+      _$UdpPackageFromJson(json);
+
+  Map<String, dynamic> toJson() => _$UdpPackageToJson(this);
+
+  UdpPackage copyWith({
+    String? id,
+    String? name,
+    String? data,
+    String? ipAddress,
+  }) {
+    return UdpPackage(
+      id: id ?? this.id,
+      name: name ?? this.name,
+      data: data ?? this.data,
+      ipAddress: ipAddress ?? this.ipAddress,
+    );
+  }
+}
+
+