Added exhibition information

README.md

 # FocusTerra Realtime Wave Simulator
-This repository contains all files that make up the realtime wave simulator exhibit at FocusTerra.
+This repository contains all files that make up the realtime wave simulator exhibit at FocusTerra. 
+More information about the exhibition can be found [here](https://focusterra.ethz.ch/sonderausstellungen/archiv/wellen-tauch-ein.html).
 
 While the project was originally developed on macOS, it was later ported to Windows (Visual Studio 2019).