add AraCom sponsoring RoboCup

Talk:EmotionaleRobotik.tex

@@ -55,6 +55,7 @@
       \begin{figure}[h]
         \centering
         \includegraphics[width=\linewidth]{images/RoboCupFinale2023.jpg}
+        ~ \cite{robocup} RoboCup Soccer Roboter
       \end{figure}
     \end{column}
     \begin{column}{0.45\textwidth}