title: How to serve a html page from a subdirectory?
body: <p>I want to serve a HTML page from a subdirectory (not the 'static' one, via YAML, not the 'template' one, via Django or Jinja) </p>
  
  <p>How can I reference the path + file name in the <code>self.response.out.write</code>(?) statement?</p>