add link to notebook tutorial

whitews · whitews · commit b1292f1ee3de · 2019-01-30T15:00:01.000-05:00
diff --git a/README.md b/README.md
@@ -33,4 +33,6 @@ cd flowkit
 python setup.py install
 ```
 
+## Usage
 
+See the [notebook tutorial](https://github.com/whitews/FlowKit/blob/master/examples/flowkit-tutorial.ipynb).
