Merge pull request #96 from guzman-raphael/fix-docs-asset

Move contribution reference and update license

Author: Synicix

.github/CONTRIBUTING.md renamed to CONTRIBUTING.md

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2021 DataJoint
+Copyright (c) 2021 DataJoint Contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal