code: public function define(ContainerInterface $container, Configuration $config)
      {
          $renderer = new Renderer($config->get('app.views', ''));
  
          if (class_exists('Twig_Environment') === true) {
              $loader = new \Twig_Loader_Filesystem($config->get('app.views', ''));
  
              $renderer = new TwigRenderer(new \Twig_Environment($loader));
          }
  
          $container->set('Rougin\Slytherin\Template\RendererInterface', $renderer);
  
          return $container;
      }
docs: Defines the specified integration.
  
  @param  \Rougin\Slytherin\Container\ContainerInterface $container
  @param  \Rougin\Slytherin\Integration\Configuration    $config
  @return \Rougin\Slytherin\Container\ContainerInterface