Add fourth lecture.

index.html

@@ -63,6 +63,15 @@ <h4>Reading materials</h4>
     <ul>
       <li><cite><a href="https://dl.acm.org/doi/abs/10.1145/3106237.3121282">Reflections on the REST architectural style and <q>Principled design of the modern Web architecture</q></a> by Roy T. Fielding et al.</cite></li>
     </ul>
+
+    <h3>
+      7 Mar 2024:
+      <a href="https://github.ugent.be/WebDevelopment/Hands-on-REST">Hands-on REST</a>
+    </h3>
+    <h4>Reading materials</h4>
+    <ul>
+      <li><cite><a href="https://www.apple.com/newsroom/2024/03/the-app-store-spotify-and-europes-thriving-digital-music-market/">The App Store, Spotify, and Europe’s thriving digital music market</a></cite></li>
+    </ul>
   </section>
 
   <div class="title slide" id="title">