added qrcode generator and qrcode scanner, create the kurir profile page

lib/controller/after_login/kurir/cobapage.dart

@@ -0,0 +1,57 @@
+import 'package:flutter/material.dart';
+import 'package:logger/logger.dart';
+import 'package:scan/scan.dart';
+
+class CobaPageKurir extends StatefulWidget {
+  const CobaPageKurir({Key? key}) : super(key: key);
+
+  @override
+  State<CobaPageKurir> createState() => _CobaPageKurirState();
+}
+
+class _CobaPageKurirState extends State<CobaPageKurir> {
+  final dev = Logger();
+
+  ScanController controller = ScanController();
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Coba Page Kurir'),
+      ),
+      body: SizedBox(
+        width: 250, // custom wrap size
+        height: 250,
+        child: ScanView(
+          controller: controller,
+// custom scan area, if set to 1.0, will scan full area
+          scanAreaScale: .7,
+          scanLineColor: Colors.green.shade400,
+          onCapture: (data) {
+            // do something
+            if (data == "heheheh") {
+              // show snackbar
+              ScaffoldMessenger.of(context).showSnackBar(
+                SnackBar(
+                  content: const Text('Scan berhasil'),
+                  duration: const Duration(days: 365),
+                  action: SnackBarAction(
+                    label: 'OK',
+                    onPressed: () {
+                      // do something
+                      controller.toggleTorchMode();
+                      controller.resume();
+                    },
+                  ),
+                ),
+              );
+            } else {
+              controller.resume();
+            }
+          },
+        ),
+      ),
+    );
+  }
+}