workflow tag

Author: EagleoutIce

README.md

@@ -1,6 +1,6 @@
 # A simple and inofficial Poster-Theme for Ulm University
 
-[![made-with-latex](https://img.shields.io/badge/Made%20with-LaTeX-1f425f.svg)](https://www.latex-project.org/)
+[![made-with-latex](https://img.shields.io/badge/Made%20with-LaTeX-1f425f.svg)](https://www.latex-project.org/) [![Compile Poster](https://github.com/EagleoutIce/uulm-poster-layout/actions/workflows/compile.yaml/badge.svg)](https://github.com/EagleoutIce/uulm-poster-layout/actions/workflows/compile.yaml)
 
 The documentation is a work in progress.
 I wrote this code to fill a need (and in a short time) --- please be kind :D