Add AppBundle and the YouTube and Vimeo Twig functions

src/AppBundle/DependencyInjection/AppExtension.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace AppBundle\DependencyInjection;
+
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\HttpKernel\DependencyInjection\Extension;
+use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
+use Symfony\Component\Config\FileLocator;
+
+class AppExtension extends Extension
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function load(array $configs, ContainerBuilder $container)
+    {
+        $loader = new YamlFileLoader($container, new FileLocator(__DIR__ . '/../config'));
+        $loader->load('services.yml');
+    }
+}