Edit README.md

README.md

@@ -22,12 +22,9 @@ Leon Trojan: trojan@fiw.rwth-aachen.de
 Status 03/2025: The project came to an end so most code is not developed any further.  
 The code for the analysis of P-RTC is still in its last development stages adn will be uploaded later.   
 
-## Contributing
-@Loan Angaben machen?
-
-
 ## Authors and acknowledgment
 The code in this project was written by Leon Trojan, Yu-Jin Schroer and Sebastian Kerger. The code was developed in the project [ENTfrachtEN](https://www.fiw.rwth-aachen.de/en/references/entfrachten) carried out by the [Research Institute for Water Management and Climate Future at RWTH Aachen University](https://www.fiw.rwth-aachen.de/en/). The project was funded by the [Deutsche Bundesstiftung Umwelt](https://www.dbu.de/en/). 
+ <p xmlns:cc="http://creativecommons.org/ns#" >This work is licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/?ref=chooser-v1" target="_blank" rel="license noopener noreferrer" style="display:inline-block;">CC BY-SA 4.0<img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;" src="https://mirrors.creativecommons.org/presskit/icons/cc.svg?ref=chooser-v1" alt=""><img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;" src="https://mirrors.creativecommons.org/presskit/icons/by.svg?ref=chooser-v1" alt=""><img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;" src="https://mirrors.creativecommons.org/presskit/icons/sa.svg?ref=chooser-v1" alt=""></a></p> 
 
 ## Code of Conduct
 Please note that this project is released with a [Contributor Code of Conduct](https://www.contributor-covenant.org/). By participating in this project you agree to abide by its terms.