Illuminate: ready. (critical)

- DB에서 illuminate를 가져올 수 있도록 설정
- 업그레이듵 불가, RootDB, DB를 직접 수정해야함

vendor/illuminate/events/functions.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Illuminate\Events;
+
+use Closure;
+
+if (! function_exists('Illuminate\Events\queueable')) {
+    /**
+     * Create a new queued Closure event listener.
+     *
+     * @param  \Closure  $closure
+     * @return \Illuminate\Events\QueuedClosure
+     */
+    function queueable(Closure $closure)
+    {
+        return new QueuedClosure($closure);
+    }
+}