Minor fixes to capitalization, 2026 -> HTML5 naming

public/game.html

@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
-  <title>YARN 2026 – Spin a Story!</title>
+  <title>Y.A.R.N. HTML5 – Spin a Story!</title>
   <style>
     :root {
       --bg-main: #4b0082;
@@ -332,7 +332,7 @@
 <div id="layout">
 
   <div id="header">
-    Y.A.R.N. 2026 - Spin a story! -&nbsp;<span id="room-display"></span>
+    Y.A.R.N. HTML5 - Spin a Story! -&nbsp;<span id="room-display"></span>
   </div>
 
   <div id="main-text">