chore: update index

Author: jacobdadams

devsummit/2024/updating-web-layers/Automated Web Layer Updates with Pandas and the ArcGIS API for Python.pdf devsummit/2024/updating-web-layers/updating_web_layers_slides.pdf

@@ -45,6 +45,7 @@ <h3>
     <li><a href="devsummit/2015/favorite-things">2015: Our Favorite Things</a>
     <li><a href="devsummit/2016/playing-nicely-with-others">2016: How to Play Nicely with Others - Building Geospatial
         Components</a>
+    <li><a href="devsummit/2024/updating-web-layers/updating_web_layers_slides.pdf">2024: Automated Web Layer Updates with Pandas and the ArcGIS API for Python</a>
   </ul>
   <p>ESRI UC</p>
   <ul>