title: customize the display of getFeatureInfo
body: <p>I use the leaflet and the getfeatureInfo function to display the data of a wms layer belonging to the geoserver, I want to customize the display of retrieved table:
    <img src="https://i.stack.imgur.com/bFSrR.png" />
  I use this plugin <a href="https://gist.github.com/rclark/6908938" rel="nofollow noreferrer">https://gist.github.com/rclark/6908938</a>.</p>