title: How to end typo3 realurl with .html
body: <p>I'm using the realurl extension to make nice urls, only they all end with the / char. How can I let them end like a .html file?</p>
  
  <p><code>/path/to/page/</code></p>
  
  <p>Would like to have:</p>
  
  <p><code>/path/to/page.html</code></p>