Update public/index.html

public/index.html

@@ -27,6 +27,12 @@
       <li>Germany: <a href="https://social.bund.de/explore ">https://social.bund.de</a></li>
     </ul>
 
+    <h2>Higher Education</h2>
+    <ul>
+      <li>MIT: <a href="https://mastodon.mit.edu/explore">https://mastodon.mit.edu</a></li>
+      <li>...</li>      
+    </ul>
+
     <h2>Non-profit / Social profit / NGO</h2>
     <ul>
       <li>Archive.org: <a href="https://mastodon.archive.org/explore">https://mastodon.archive.org</a></li>
@@ -35,6 +41,7 @@
       <li>...</li>
     </ul>
 
+
     <h2>Commercial</h2>
     <ul>
       <li>Thoughtworks: <a href="https://toot.thoughtworks.com/explore">https://toot.thoughtworks.com</a></li>