Add presentation slides

Author: datakurre

index.html

@@ -35,6 +35,6 @@ <h1><a href="RobotLab-Workshop_2019-01-16.pdf">Workshop 16.1.2019</a></h1>
       <h2><a href="https://github.com/robots-from-jupyter/robotlab/releases
 ">RobotLab installer</a></h1>
       <h2><a href="https://github.com/robots-from-jupyter/robotkernel/archive/master.zip">RobotKernel notebooks</a></h1>
-      <h2><a href="RoboCon-Presentation_2019-01-17.pdf">Presentation 17.1.2019</a></h1>
+      <h1><a href="RoboCon-Presentation_2019-01-17.pdf">Presentation 17.1.2019</a></h1>
   </body>
 </html>