Illuminate: ready. (critical)

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

vendor/illuminate/contracts/Translation/HasLocalePreference.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace Illuminate\Contracts\Translation;
+
+interface HasLocalePreference
+{
+    /**
+     * Get the preferred locale of the entity.
+     *
+     * @return string|null
+     */
+    public function preferredLocale();
+}