refactored code

Signed-off-by: Maurice Preuß (envoyr) <hello@envoyr.com>

src/Id/Resources/PaymentMethod.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace Anikeen\Id\Resources;
+
+use Anikeen\Id\Concerns\HasBillable;
+
+class PaymentMethod extends BaseResource
+{
+    use HasBillable;
+}