Add documentation to Keybinding doc file

data/web/keybindings/keybinding.hbs

@@ -6,6 +6,7 @@
           <span class="documentation-key">{{key}}</span> <span class="documentation-type">{{#if remoteScripting}}Remote scripting{{else}}Local scripting{{/if}}</span>
         </a>
         <p>{{script}}</p>
+        <p>{{documentation}}</p>
       </p>
     </div>
   </div>