Fix reset password email HTML

Relates to #376

Author: duhow

src/upload/application/controllers/home/mail.php

@@ -165,7 +165,8 @@ private function sendPassEmail(string $email, string $new_password): bool
             [
                 'mail' => Functions::readConfig('admin_email'),
                 'name' => $this->game_name,
-            ]
+            ],
+            'html'
         );
     }
 }