Implement base of tic tac toe game

index.html

@@ -3,6 +3,8 @@
     <head>
         <title>Hello websockets</title>
     </head>
-    <body></body>
+    <body>
+	<canvas id="game" width=800 height=600></canvas>
+    </body>
     <script type="module" src="client.mjs"></script>
 </html>