Added missing comments into Env class (#633)

src/Env.php

@@ -1,4 +1,11 @@
 <?php
+/**
+ * TorrentPier – Bull-powered BitTorrent tracker engine
+ *
+ * @copyright Copyright (c) 2005-2023 TorrentPier (https://torrentpier.com)
+ * @link      https://github.com/torrentpier/torrentpier for the canonical source repository
+ * @license   https://github.com/torrentpier/torrentpier/blob/master/LICENSE MIT License
+ */
 
 namespace TorrentPier;
 
@@ -6,6 +13,10 @@ use Dotenv\Repository\Adapter\PutenvAdapter;
 use Dotenv\Repository\RepositoryBuilder;
 use PhpOption\Option;
 
+/**
+ * Class Env
+ * @package TorrentPier
+ */
 class Env
 {
     /**
@@ -67,8 +78,8 @@ class Env
     /**
      * Gets the value of an environment variable.
      *
-     * @param  string  $key
+     * @param string $key
-     * @param  mixed  $default
+     * @param mixed $default
      * @return mixed
      */
     public static function get($key, $default = null)
@@ -96,6 +107,6 @@ class Env
 
                 return $value;
             })
-            ->getOrCall(fn () => value($default));
+            ->getOrCall(fn() => value($default));
     }
 }