all readme's need at least 1 gif these days

Author: jwkvam

README.md

@@ -5,6 +5,8 @@
 
 Notebook cell vim bindings
 
+![jlabvim](https://user-images.githubusercontent.com/86304/38079432-b7596fd8-32f3-11e8-9ebd-4b9e7823f5f9.gif)
+
 ## Special Thanks
 
 I want to acknowledge [Alisue](https://github.com/lambdalisue) and his excellent work creating [vim bindings](https://github.com/lambdalisue/jupyter-vim-binding) for Jupyter notebooks.