add package list

lib/vo/package.dart

@@ -0,0 +1,42 @@
+class Package {
+  String id;
+  String shipmentNumber;
+  String senderFCSID;
+  String senderName;
+  String receiverFCSID;
+  String receiverName;
+  String receiverAddress;
+  String receiverNumber;
+  String boxNumber;
+  String status;
+
+  int rate;
+  int weight;
+  String packageType;
+  String pickUpID;
+  List<String> photos;
+  String remark;
+  DateTime arrivedDate;
+
+  String get packageNumber =>
+      shipmentNumber + "-" + receiverNumber + " #" + boxNumber;
+  double get price => rate.toDouble() * weight;
+
+  Package(
+      {this.id,
+      this.shipmentNumber,
+      this.senderFCSID,
+      this.senderName,
+      this.receiverFCSID,
+      this.receiverName,
+      this.receiverNumber,
+      this.receiverAddress,
+      this.boxNumber,
+      this.rate,
+      this.weight,
+      this.packageType,
+      this.pickUpID,
+      this.remark,
+      this.status,
+      this.arrivedDate});
+}