Add DOI (#52)

Author: sloede

index.md

@@ -106,6 +106,7 @@ listed above. Author names of Trixi.jl's main developers are in *italics*.
 * *Doehring*, *Schlottke-Lakemper*, *Gassner*, Torrilhon,
   **Multirate Time-Integration based on Dynamic ODE Partitioning through Adaptively Refined Meshes for Compressible Fluid Dynamics**, 2024.\\
   [![arXiv:2403.05144](https://img.shields.io/badge/arXiv-2403.05144-yellow)](https://arxiv.org/abs/2403.05144)
+  [![doi:10.1016/j.jcp.2024.113223](https://zenodo.org/badge/doi/10.1016/j.jcp.2024.113223.svg)](https://doi.org/10.1016/j.jcp.2024.113223)
   [![reproduce me!](https://img.shields.io/badge/reproduce-me!-brightgreen)](https://github.com/trixi-framework/paper-2024-amr-paired-rk)
 
 * Babbar, Chandrashekar,