backup. before shop update

lib/pages/checkout.dart

@@ -0,0 +1,31 @@
+
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:responsive_builder/responsive_builder.dart';
+
+import '../store/actions.dart';
+import '../store/store.dart';
+import '../widgets/desktop/desktop_checkout.dart';
+import '../widgets/mobile/mobile_checkout.dart';
+
+class Checkout extends StatelessWidget {
+  final int businessId;
+
+  const Checkout(this.businessId, {Key key}) :
+      super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    store.dispatch(UpdateContext(context));
+
+    return ResponsiveBuilder(
+      builder: (context, sizingInformation) =>
+          ScreenTypeLayout(
+            mobile: MobileCheckout(businessId),
+            tablet: DesktopCheckout(businessId),
+            desktop: DesktopCheckout(businessId),
+          ),
+    );
+  }
+
+}