feat: implement Sonner notifications, add Setting model, and reorganize user management into settings navigation.

src/components/Sidebar.tsx

@@ -20,7 +20,8 @@ import {
   ArrowUpRight,
   Info,
   BarChart2,
-  Wallet
+  Wallet,
+  Settings
 } from 'lucide-react'
 
 const menuItems = [
@@ -63,7 +64,7 @@ export function Sidebar({ isOpen, onClose }: { isOpen?: boolean; onClose?: () =>
   // Dynamic Menu Items based on role
   const finalMenuItems = [...menuItems]
   if (userRole === 'superadmin') {
-    finalMenuItems.push({ name: 'User Management', href: '/users', icon: UserCircle, desc: 'Kelola pengguna' })
+    finalMenuItems.push({ name: 'Pengaturan', href: '/settings/users', icon: Settings, desc: 'Konfigurasi aplikasi' })
   }
 
   return (