INFRA: Set Up Project.

lib/models/parcel_weight_model.dart

@@ -0,0 +1,21 @@
+class ParcelWeightModel {
+  String? deliveryCharge;
+  String? id;
+  String? title;
+
+  ParcelWeightModel({this.deliveryCharge, this.id, this.title});
+
+  ParcelWeightModel.fromJson(Map<String, dynamic> json) {
+    deliveryCharge = json['delivery_charge'];
+    id = json['id'];
+    title = json['title'];
+  }
+
+  Map<String, dynamic> toJson() {
+    final Map<String, dynamic> data = <String, dynamic>{};
+    data['delivery_charge'] = deliveryCharge;
+    data['id'] = id;
+    data['title'] = title;
+    return data;
+  }
+}