add talk for StanCon 2024.

Author: charlesm93

events/stancon2024/index.md

@@ -208,6 +208,9 @@ invasion models**
 * Marco Antonio Gallegos Herrada (University of Toronto)  
 **Exploring a Bayesian inference approach for the analysis of blue whale movement data**
 
+* Matti Vuorre (Tilburg University)  
+**Understaning psychological heterogeneity with Bayesian hierarchical models using the brms R package**
+
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 # [Tutorials](#tutorials)