fix: restore missing nav link during refactoring

Author: ryanphuang

_includes/banner.html

@@ -14,6 +14,7 @@
             <li class="nav-item {% if current[1] contains 'index' or page.url == '/' %}active{% endif %}"><a class="nav-link" href="{{ '/' | relative_url }}">Home</a></li>
             <li class="nav-item {% if current[1] == 'team' %}active{% endif %}"><a class="nav-link" href="{{ '/team/' | relative_url }}">Team</a></li>
             <li class="nav-item {% if current[1] == 'pubs' %}active{% endif %}"><a class="nav-link" href="{{ '/pubs/' | relative_url }}">Publications</a></li>
+            <li class="nav-item {% if current[1] == 'software' %}active{% endif %}"><a class="nav-link" href="{{ '/software/' | relative_url }}">Software</a></li>
             <li class="nav-item {% if current[1] == 'blog' %}active{% endif %}"><a class="nav-link" href="{{ '/blog/' | relative_url }}">Blog</a></li>
             <li class="nav-item"><a class="nav-link" href="https://orderlab.io/reading-group" target="_blank">Reading</a></li>
             <li class="nav-item {% if current[1] == 'join' %}active{% endif %}"><a class="nav-link" href="{{ '/join/' | relative_url }}">Join</a></li>