feat: add navigation configuration

src/config/navigation.ts

@@ -50,6 +50,7 @@ export const navigationConfig: NavGroupConfig[] = [
         ],
       },
       { title: 'صورت‌حساب‌ها و مالی', to: '/billing', icon: 'receipt' },
+      { title: 'تنظیمات', to: '/settings', icon: 'settings' },
     ],
   },
 ]