Stimulusjs from Basecamp

Podcast link (DHH explaining where Stimulus fits) : https://twitter.com/dhh/status/946185863964237824

Github: https://github.com/stimulusjs/stimulus

Handbook: https://github.com/stimulusjs/stimulus/blob/master/handbook/README.md

Installation: https://github.com/stimulusjs/stimulus/blob/master/INSTALLING.md