WE icon support

Author: WCJ-BERT

public/WorldEngine/index.html

@@ -4,6 +4,14 @@
   <meta charset="UTF-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>World Engine: Towards the Era of Post-Training for Physical AI</title>
+
+  <!-- Favicons -->
+  <link rel="icon" type="image/png" sizes="32x32" href="./static/assets/favicon.png" />
+  <link rel="icon" type="image/png" sizes="16x16" href="./static/assets/icon-16x16.png" />
+  <link rel="icon" type="image/png" sizes="192x192" href="./static/assets/icon-192x192.png" />
+  <link rel="icon" type="image/png" sizes="512x512" href="./static/assets/icon-512x512.png" />
+  <link rel="apple-touch-icon" sizes="180x180" href="./static/assets/apple-touch-icon.png" />
+
   <link rel="stylesheet" href="./static/fonts/fonts.css" />
   <style>
     /* ── Reset & base ── */