feat: setup a typescript build

packages/desktop/src/index.html

@@ -12,7 +12,8 @@
     <div id="main">
     </div>
 </body>
-<script type="text/javascript" src="index.js">
-</script>
+
+<script>var exports = {};</script>
+<script type="text/javascript" src="index.js" type="module"></script>
 
 </html>