Addon approved in Google's Addon Manager

Here's a direct link: https://chrome.google.com/webstore/detail/einstein-look-up-non-prof/cpgojjpkffjnjcgomhpfjlboommlknof

It should soon by available in the addon manager for any Google Sheet

I think we should add a howto section on the readme for how to install this



PS Please add a review to help get it some attentions