controller.php

<?php
use Ribcage\Rib;

/**
 * public function render($filename, $renderer = null);
 *
 * @param $filename Filename relative to the "views" folder in the
 *                  root directory.
 * @param $renderer (Optional) Name of the renderer class to use;
 *                  determined by file extension by default.
 * @return string
 */ 
new Rib('/', function() {
    return $this->render('home.md'); // Uses Markdown renderer
});