feat: implement admin SMTP settings management and automated order notification system

routes/api.php

@@ -2,6 +2,7 @@
 
 use App\Http\Controllers\admin\VCenterManagerController;
 use App\Http\Controllers\Api\Admin\Auth\AuthController;
+use App\Http\Controllers\Api\Admin\Setting\SettingController as AdminSettingController;
 use App\Http\Controllers\Api\QueueMonitorController;
 use App\Http\Controllers\Api\Admin\Staff\StaffOnlineController;
 use App\Http\Controllers\Api\Admin\Customer\CustomerController;
@@ -284,6 +285,14 @@ Route::prefix('v1')
                         Route::delete('{id}', 'destroy')->middleware('perm:domain.manager');
                     });
 
+                // Settings (module: administrator)
+                Route::prefix('settings')
+                    ->controller(AdminSettingController::class)
+                    ->group(function () {
+                        Route::get('/', 'index');
+                        Route::put('/', 'update');
+                    });
+
                 // Staff Online
                 Route::prefix('staff-online')
                     ->controller(StaffOnlineController::class)