Update HTML files to use Bunny.net CDN for static assets

- Updated all static asset URLs to use iceymi.b-cdn.net CDN
- Changed favicon, CSS, and JS file references in index.html, admin.html, and privacy.html
- API calls remain pointed to origin server for dynamic content
- Ready for CDN deployment with proper cache separation

public/favicon.svg

@@ -0,0 +1,40 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32" width="32" height="32">
+  <defs>
+    <style>
+      .snowflake { fill: #2196F3; }
+      .center { fill: #1976D2; }
+    </style>
+  </defs>
+  
+  <!-- Main snowflake structure -->
+  <g class="snowflake">
+    <!-- Vertical line -->
+    <rect x="15" y="2" width="2" height="28" />
+    
+    <!-- Horizontal line -->
+    <rect x="2" y="15" width="28" height="2" />
+    
+    <!-- Diagonal lines -->
+    <rect x="15" y="2" width="2" height="28" transform="rotate(45 16 16)" />
+    <rect x="15" y="2" width="2" height="28" transform="rotate(-45 16 16)" />
+    
+    <!-- Branch tips -->
+    <!-- Top -->
+    <polygon points="16,2 14,6 18,6" />
+    <!-- Bottom -->
+    <polygon points="16,30 14,26 18,26" />
+    <!-- Left -->
+    <polygon points="2,16 6,14 6,18" />
+    <!-- Right -->
+    <polygon points="30,16 26,14 26,18" />
+    
+    <!-- Diagonal tips -->
+    <polygon points="6.3,6.3 8.6,4 9.9,7.7" transform="rotate(45 16 16)" />
+    <polygon points="25.7,25.7 23.4,28 22.1,24.3" transform="rotate(45 16 16)" />
+    <polygon points="6.3,25.7 8.6,28 9.9,24.3" transform="rotate(-45 16 16)" />
+    <polygon points="25.7,6.3 23.4,4 22.1,7.7" transform="rotate(-45 16 16)" />
+  </g>
+  
+  <!-- Center circle -->
+  <circle cx="16" cy="16" r="3" class="center" />
+</svg>