feat: update success void

lib/presentation/void/painter/pattern_painter.dart

@@ -0,0 +1,20 @@
+import 'package:flutter/material.dart';
+
+class PatternPainter extends CustomPainter {
+  @override
+  void paint(Canvas canvas, Size size) {
+    final paint = Paint()
+      ..color = Colors.white.withOpacity(0.05)
+      ..strokeWidth = 1;
+
+    // Simplified pattern - tidak terlalu banyak
+    for (int i = 0; i < size.width; i += 100) {
+      for (int j = 0; j < size.height; j += 100) {
+        canvas.drawCircle(Offset(i.toDouble(), j.toDouble()), 1, paint);
+      }
+    }
+  }
+
+  @override
+  bool shouldRepaint(covariant CustomPainter oldDelegate) => false;
+}