title: Getting distance between 2 markers
body: <p>I would like to get the distance between 2 markers but not as a direct line, more as a real path like it goes in this plugin -</p>
  
  <p><a href="https://github.com/perliedman/leaflet-routing-machine" rel="nofollow">https://github.com/perliedman/leaflet-routing-machine</a></p>
  
  <p>I didn't find anything about using this plugin in the directive: angular-leaflet-directive, 
  if someone can guide how to make it done, it would be very appreciated.</p>
  
  <p>thanks!</p>