SwissQR: add Sprain\SwissQrBill and dependencies

htdocs/includes/symfony/polyfill-intl-icu/Exception/MethodNotImplementedException.php

@@ -0,0 +1,26 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Polyfill\Intl\Icu\Exception;
+
+/**
+ * @author Eriksen Costa <eriksen.costa@infranology.com.br>
+ */
+class MethodNotImplementedException extends NotImplementedException
+{
+    /**
+     * @param string $methodName The name of the method
+     */
+    public function __construct(string $methodName)
+    {
+        parent::__construct(sprintf('The %s() is not implemented.', $methodName));
+    }
+}