Add gifsync to applications

doc/sphinxdoc/_templates/applications.html

@@ -296,7 +296,18 @@ <h1>Applications</h1>
         <a href="https://github.com/leozimmerman/ofxAudioAnalyzer">ofxAudioAnalyzer</a> is an openFrameworks wrapper for Essentia. It provides audio analysis algorithms modified to process signals in real-time.
       </dd>
     </div>
-
+    <div class="row essnt-apps-page__container">
+      <dt class="col-xs-2 col-sm-3 col-md-2 essnt-apps-page__logo">
+        <a href="https://github.com/p3zo/gifsync" title="Go to GIF Sync">
+          <span class="essnt-apps-page__logo-text">
+            GIF Sync
+          </span>
+        </a>
+      </dt>
+      <dd class="col-xs-10 col-sm-9 col-md-10 essnt-apps-page__description">
+        <a href="https://github.com/p3zo/gifsync">GIF Sync</a> reassembles the frames of a GIF to sync its animation to the beat of an audio file.
+      </dd>
+    </div>
   </dl>
 
 {% endblock %}