title: how to insert a link to a local file into a markdown cell?
body: <p>Dear ipython notebook users,</p>
  
  <p>I want to insert a link to a local file located in the notebook directory, and no, it is not an image (the only example I've found). I want to insert this link within a markdown cell.</p>
  
  <p>When clicked on the link, the file is to be opened with a local application (in this case, a molecule viewer)</p>
  
  <p>I've tried to come up with the correct syntax, but no luck. Please, any help is greatly appreciated.</p>