first step on loading a tileset from a script

maps/tests/iframe.html

@@ -17,6 +17,7 @@
                 chatDiv.innerText = message;
                 document.getElementById('chatSent').append(chatDiv);
             }));
+            WA.loadTileset('TEST', 'https://gparant.github.io/tcm-client/TCM/paris-map/tileset1.png', 32, 32, 0, 0);
         </script>
     </body>
 </html>