Update README.md

ilyabo · web-flow · commit d3e5a52111c3 · 2020-06-30T00:23:00.000+02:00
diff --git a/README.md b/README.md
@@ -3,6 +3,7 @@
 This is an R widget for [Flowmap.blue](http://flowmap.blue).
 Rendering interactive flow maps to visualize numbers of movements between locations (origin-destination data).
 
+![image](https://user-images.githubusercontent.com/351828/86061814-bb993800-ba67-11ea-9e76-90a75f813327.png)
 
 #### Installation
 
