Update archive-single.html

Author: zyaocoder

_includes/archive-single.html

@@ -54,6 +54,8 @@ <h2>{{title}}</h2>
         <!-- <a class="w3-button btn w3-white w3-text-blue w3-border" href="https://simple-bev.github.io/">project page</a> -->
         <a  href="{{post.paperurl}}">[paper]</a>
         <a  href="{{post.codeurl}}">[code]</a>
+        <a  href="{{post.arxivrurl}}">[arXiv]</a>
+        <a  href="{{post.bibrurl}}">[BibTeX]</a>
         {% if post.additional_note %}
         {{post.additional_note}}
         {% endif %}