Update README.md

README.md

@@ -28,4 +28,10 @@ Authors:
 - Alexey Chernyshov (**artifixer**),
 - Benny Zlotnik (**bennyz**)
 
-License: [MIT License](LICENSE)
+License: [Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License](LICENSE)
+
+[![CC BY-NC-SA 4.0][cc-by-nc-sa-image]][cc-by-nc-sa]
+
+[cc-by-nc-sa]: http://creativecommons.org/licenses/by-nc-sa/4.0/
+[cc-by-nc-sa-image]: https://licensebuttons.net/l/by-nc-sa/4.0/88x31.png
+[cc-by-nc-sa-shield]: https://img.shields.io/badge/License-CC%20BY--NC--SA%204.0-lightgrey.svg