first version with uw8loader

web/src/index.html

@@ -5,7 +5,8 @@
         <title>MicroW8</title>
     </head>
     <body>
-        <canvas id="screen" width="320" height="256" />
+        <canvas id="screen" width="320" height="256"></canvas>
+        <div id="message"></div>
         <script type="module">
             import "./main.js";
         </script>