Fix emotion sandbox location

Author: Ives van Hoorne

src/homepage/index.html

@@ -173,7 +173,7 @@ <h3>Example Projects</h3>
       <a href="/s/lp5rjr0z4z" class="project">
         Cerebral
       </a>
-      <a href="/s/zkrk5yldz" class="project">
+      <a href="/s/pk1qjqpw67" class="project">
         Emotion
       </a>
       <a href="/s/w0orz7j5p8" class="project">