Update README.md to include part6

vendor/symfony/http-kernel/Controller/ArgumentResolverInterface.php

@@ -0,0 +1,30 @@
+<?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\Component\HttpKernel\Controller;
+
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * An ArgumentResolverInterface instance knows how to determine the
+ * arguments for a specific action.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface ArgumentResolverInterface
+{
+    /**
+     * Returns the arguments to pass to the controller.
+     *
+     * @throws \RuntimeException When no value could be provided for a required argument
+     */
+    public function getArguments(Request $request, callable $controller, ?\ReflectionFunctionAbstract $reflector = null): array;
+}