Added vendor directory to source control

vendor/php-http/message-factory/.php_cs

@@ -0,0 +1,13 @@
+<?php
+
+/*
+ * In order to make it work, fabpot/php-cs-fixer and sllh/php-cs-fixer-styleci-bridge must be installed globally
+ * with composer.
+ *
+ * @link https://github.com/Soullivaneuh/php-cs-fixer-styleci-bridge
+ * @link https://github.com/FriendsOfPHP/PHP-CS-Fixer
+ */
+
+use SLLH\StyleCIBridge\ConfigBridge;
+
+return ConfigBridge::create();