chore: 잘못된 들여쓰기 해소

Author: MU-Software

apps/pyconkr/index.html

@@ -39,7 +39,7 @@
     <meta name="robots" content="index, follow" />
 
     <script src="https://cdn.iamport.kr/v1/iamport.js"></script>
-      <link rel="stylesheet" href="github-markdown.css">
+    <link rel="stylesheet" href="github-markdown.css">
 
     <title>PyCon Korea 2025</title>
   </head>