[docs] Update Curassow website

Author: kylef

docs/_templates/sidebar_intro.html

@@ -27,7 +27,7 @@ <h3>Other Projects</h3>
 <p>More <a href="https://fuller.li/">Kyle Fuller</a> projects:</p>
 <ul>
   <li><a href="https://github.com/kylef/Commander">Commander</a></li>
-  <li><a href="https://github.com/kylef/Curassow">Curassow</a></li>
+  <li><a href="https://curassow.fuller.li/">Curassow</a></li>
   <li><a href="https://github.com/kylef/Spectre">Spectre</a></li>
   <li><a href="https://github.com/kylef/heroku-buildpack-swift">Heroku Swift buildpack</a></li>
 </ul>