Hapus tampilan dashboard Petugas Desa dan perbarui routing

- Hapus file petugas_desa_dashboard_view.dart
- Perbarui app_pages.dart untuk menggunakan PetugasDesaView dan PetugasDesaBinding
- Pindahkan logika dashboard ke modul petugas_desa yang baru
- Sesuaikan routing untuk dashboard Petugas Desa

lib/app/modules/petugas_desa/components/greeting_header.dart

@@ -0,0 +1,56 @@
+import 'package:flutter/material.dart';
+
+class GreetingHeader extends StatelessWidget {
+  final String name;
+  final String role;
+  final String? desa;
+
+  const GreetingHeader({
+    super.key,
+    required this.name,
+    required this.role,
+    this.desa,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final textTheme = Theme.of(context).textTheme;
+
+    return Container(
+      width: double.infinity,
+      padding: const EdgeInsets.all(16),
+      decoration: BoxDecoration(
+        color: Colors.white,
+        borderRadius: BorderRadius.circular(12),
+        boxShadow: [
+          BoxShadow(
+            color: Colors.grey.withAlpha(26), // 0.1 * 255 ≈ 26
+            spreadRadius: 1,
+            blurRadius: 3,
+            offset: const Offset(0, 1),
+          ),
+        ],
+      ),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Text(
+            'Selamat Datang, $name!',
+            style: textTheme.headlineSmall?.copyWith(
+              fontSize: 24,
+              fontWeight: FontWeight.bold,
+            ),
+          ),
+          const SizedBox(height: 5),
+          Text(
+            'Kamu Login Sebagai $role${desa != null ? ' $desa' : ''}.',
+            style: textTheme.bodyMedium?.copyWith(
+              fontSize: 14,
+              color: Colors.grey[600],
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}