use github cdn url for icon like inference-arcade.com

index.html

@@ -17,7 +17,7 @@
     <div id="app" class="container mx-auto px-4 py-8 max-w-4xl">
         <header class="text-center mb-8">
             <div class="flex items-center justify-center mb-4 gap-3">
-                <img src="./icon.png" alt="Cloze Reader" class="w-12 h-12">
+                <img src="https://media.githubusercontent.com/media/milwrite/cloze-reader/main/icon.png" alt="Cloze Reader" class="w-12 h-12">
                 <h1 class="text-4xl font-bold typewriter-text">Cloze Reader</h1>
             </div>
             <p class="typewriter-subtitle text-center">Fill in the blanks to practice reading comprehension</p>