Add basic license notice.

holdenk · holdenk · commit be1b9c6e61ab · 2017-07-14T18:27:41.000-07:00
diff --git a/README.md b/README.md
@@ -11,3 +11,7 @@ SparklingML's goal is to expose additional machine learning stages for Spark wit
 ## Status
 
 Super early! Come join!
+
+## License
+
+SparklingML is licensed under the Apache 2 license. Some additional components may be under a different license.
