feat : cache Adapter

app/Service/Test/Adapter/Cache/FileCacheService.php

@@ -0,0 +1,24 @@
+<?php
+/**
+ * This service file is part of item.
+ *
+ * @author   ctexthuang
+ * @contact  ctexthuang@qq.com
+ * @web_site  https://ctexthuang.com
+ */
+
+declare(strict_types=1);
+
+namespace App\Service\Test\Adapter\Cache;
+
+class FileCacheService
+{
+    public function fetch(string $key): array
+    {
+        return [
+            'key' => $key,
+            'cache' => 'file',
+            'msg' => 'file cache fetch success'
+        ];
+    }
+}