Update README.md

Author: DylanBPY

README.md

@@ -1,2 +1,5 @@
 # Pysplanner Dashboard
-This repository holds files for the PySplanner dashboard hosted at https://pysplanner.github.io/
+This repository holds files for the PySplanner dashboard hosted at https://pysplanner.github.io/
+
+# License and Copyright
+The PySplanner Dashboard is licensed under the <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/?ref=chooser-v1" target="_blank" rel="license noopener noreferrer" style="display:inline-block;">Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International</a> license, see more information on the <a href="https://github.com/PySplanner" target="_blank" rel="license noopener noreferrer" style="display:inline-block;">main organization page</a>