Update README.md

README.md

@@ -282,6 +282,16 @@ license: cc-by-sa-4.0
 The raw data files were received from the [Knesset archives](https://main.knesset.gov.il/Pages/default.aspx). 
 The original data are copyright-free and are released under no license.
 
+license: [![CC BY 4.0][cc-by-shield]][cc-by]
+
+This work is licensed under a
+[Creative Commons Attribution 4.0 International License][cc-by].
+
+[![CC BY 4.0][cc-by-image]][cc-by]
+
+[cc-by]: http://creativecommons.org/licenses/by/4.0/
+[cc-by-image]: https://i.creativecommons.org/l/by/4.0/88x31.png
+[cc-by-shield]: https://img.shields.io/badge/License-CC%20BY%204.0-lightgrey.svg
 
 ### Citation
 <To be added>