modify ui

lib/vo/discount.dart

@@ -0,0 +1,8 @@
+class Discount {
+  String code;
+  String customer;
+  String status;
+  double amount;
+
+  Discount({this.code, this.customer, this.amount, this.status});
+}

lib/vo/payment_method.dart

@@ -0,0 +1,10 @@
+class PaymentMethod {
+  String name;
+  String accountName;
+  String account;
+  String phone;
+  String mail;
+
+  PaymentMethod(
+      {this.name, this.accountName, this.account, this.phone, this.mail});
+}