Update app title in index.html to "Voice Dialogue"

assets/www/index.html

@@ -4,7 +4,7 @@
     <meta charset="UTF-8" />
     <link rel="icon" type="image/svg+xml" href="./favicon.ico" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>Translator</title>
+    <title>Voice Dialogue</title>
     <script type="module" crossorigin src="./assets/index-509a3d31.js"></script>
     <link rel="stylesheet" href="./assets/index-b146986f.css">
   </head>