add files

Author: cjerzak

_sass/_typography.scss

@@ -85,6 +85,17 @@ p {
   }
 }
 
+.section-title-link,
+.section-title-link:hover {
+  color: inherit;
+  text-decoration: none;
+}
+
+.section-title-link:hover {
+  text-decoration: underline;
+  text-underline-offset: 4px;
+}
+
 // Links
 .link-arrow {
   display: inline-flex;

index.md

@@ -133,7 +133,9 @@ title: Home
 
 <section class="section">
   <div class="container">
-    <h2 class="section-title text-center animate-on-scroll">More on aidevlab.org</h2>
+    <h2 class="section-title text-center animate-on-scroll">
+      <a class="section-title-link" href="{{ site.main_site.url }}" target="_blank" rel="noopener">More on aidevlab.org</a>
+    </h2>
     <p class="text-center text-muted animate-on-scroll">Our main lab hub hosts datasets, rankings, visualizations, and more.</p>
 
     <div class="grid grid-3 mt-6 animate-stagger">