Add JuliaCon 24 contributions to readme (#1957)

* Add JuliaCon 24 contributions to readme

* Mention minisymposium

README.md

@@ -19,6 +19,28 @@
   <img width="300px" src="https://trixi-framework.github.io/assets/logo.png">
 </p>
 
+***
+**Trixi.jl at JuliaCon 2024**<br/>
+At this year's JuliaCon in Eindhoven, Netherlands, we will be present with several contributions
+from the Trixi Framework ecosystem:
+
+* [**Julia for Particle-Based Multiphysics with TrixiParticles.jl**](https://pretalx.com/juliacon2024/talk/TPFF8L/),<br/>
+  [*Erik Faulhaber*](https://github.com/efaulhaber/), [*Niklas Neher*](https://github.com/lasnikas/),
+  10th July 2024, 11:30am–12:00pm, Function (4.1)
+* [**Towards Aerodynamic Simulations in Julia with Trixi.jl**](https://pretalx.com/juliacon2024/talk/XH8KBG/),<br/>
+  [*Daniel Doehring*](https://github.com/danieldoehring/),
+  10th July 2024, 15:00pm–15:30pm, While Loop (4.2)
+* [**libtrixi: serving legacy codes in earth system modeling with fresh Julia CFD**](https://pretalx.com/juliacon2024/talk/JBKVGF/),<br/>
+  [*Benedict Geihe*](https://github.com/benegee/),
+  12th July 2024, 14:00pm–17:00pm, Function (4.1)
+
+The last talk is part of the 
+[Julia for High-Performance Computing](https://pretalx.com/juliacon2024/talk/JBKVGF/)
+minisymposium, which this year is hosted by our own [*Hendrik Ranocha*](https://github.com/ranocha/).
+
+We are looking forward to seeing you there ♥️
+***
+
 **Trixi.jl** is a numerical simulation framework for conservation
 laws written in [Julia](https://julialang.org). A key objective for the
 framework is to be useful to both scientists and students. Therefore, next to