v0.13.5 web ui updates

web/chess-client-wasm/index.html

@@ -8,13 +8,16 @@
     <link rel="stylesheet" href="terminal.css">
 </head>
 <body>
-<div id="terminal"></div>
+<div class="chess-terminal" id="chess-terminal" data-wasm-url="chess-client.wasm">
+    <div class="chess-terminal-screen" id="chess-terminal-screen"></div>
+    <p class="chess-terminal-status" id="chess-terminal-status" role="status">
+        <span id="chess-terminal-state">Loading the client…</span><span class="chess-terminal-progress" id="chess-terminal-progress" aria-hidden="true"></span>
+    </p>
+</div>
 <script src="lib/xterm.min.js"></script>
 <script src="lib/addon-fit.min.js"></script>
 <script src="lib/addon-webgl.min.js"></script>
-<script src="lib/addon-web-links.min.js"></script>
-<script src="lib/addon-unicode11.min.js"></script>
 <script src="wasm_exec.js"></script>
 <script src="terminal.js"></script>
 </body>
-</html>>
+</html>