feat: voucher card

lib/common/ui/painter/dashed_line_painter.dart

@@ -0,0 +1,27 @@
+import 'package:flutter/material.dart';
+
+class DashedLinePainter extends CustomPainter {
+  @override
+  void paint(Canvas canvas, Size size) {
+    Paint paint = Paint()
+      ..color = Colors.grey[300]!
+      ..strokeWidth = 1
+      ..style = PaintingStyle.stroke;
+
+    double dashWidth = 5;
+    double dashSpace = 3;
+    double startX = 0;
+
+    while (startX < size.width) {
+      canvas.drawLine(
+        Offset(startX, size.height / 2),
+        Offset(startX + dashWidth, size.height / 2),
+        paint,
+      );
+      startX += dashWidth + dashSpace;
+    }
+  }
+
+  @override
+  bool shouldRepaint(covariant CustomPainter oldDelegate) => false;
+}