update paper link

Author: zhangchen-xu

index.html

@@ -77,7 +77,7 @@ <h1 class="title is-1 publication-title">KodCode: A Diverse, Challenging, and Ve
                     <div class="publication-links">
                          <!-- Arxiv PDF link -->
                       <span class="link-block">
-                        <a href="https://arxiv.org/pdf/<ARXIV PAPER ID>.pdf" target="_blank"
+                        <a href="https://github.com/KodCode-AI/kodcode/blob/main/paper/kodcode_v1.pdf" target="_blank"
                         class="external-link button is-normal is-rounded is-dark">
                         <span class="icon">
                           <i class="fas fa-file-pdf"></i>