update for maintenance mode

public/index.php

@@ -5,6 +5,17 @@ use Illuminate\Http\Request;
 
 define('LARAVEL_START', microtime(true));
 
+/*
+|--------------------------------------------------------------------------
+| Check If Application Is Under Maintenance
+|--------------------------------------------------------------------------
+|
+| If the application is maintenance / demo mode via the "down" command we
+| will require this file so that any prerendered template can be shown
+| instead of starting the framework, which could cause an exception.
+|
+*/
+
 if (file_exists(__DIR__.'/../bootstrap/maintenance.php')) {
     require __DIR__.'/../bootstrap/maintenance.php';
 }