left-align quick start section

src/pages/index.astro

@@ -150,7 +150,7 @@ your code ──► client library ──┘</pre>
   </section>
 
   <!-- Quick Start -->
-  <section class="py-12 max-w-3xl mx-auto">
+  <section class="py-12">
     <h2 class="font-mono text-2xl font-bold mb-6 text-text">Quick Start</h2>
     <ol class="space-y-6">
       <li class="flex gap-4">