Added macro support for transformer

Author: vuongxuongminh

src/Transformer.php

@@ -0,0 +1,23 @@
+<?php
+/**
+ * @link https://github.com/phpviet/laravel-number-to-words
+ *
+ * @copyright (c) PHP Viet
+ * @license [MIT](https://opensource.org/licenses/MIT)
+ */
+
+namespace PHPViet\Laravel\NumberToWords;
+
+use Illuminate\Support\Traits\Macroable;
+use PHPViet\NumberToWords\Transformer as BaseTransformer;
+
+/**
+ * @author Vuong Minh <[email protected]>
+ * @since 1.0.0
+ */
+class Transformer extends BaseTransformer
+{
+
+    use Macroable;
+
+}