Webpacker & cocoon javascript

[ajkiessl]

To use cocoon with webpacker, the javascript file must be copied from github:nathanvda/cocoon and placed in app/javascripts/base.

A proposed change to cocoon may allow yarn or npm install to work without the need to copy the js file. This has not been completed yet so this ticket is a reminder to check and make the change if/when it becomes available.

nathanvda/cocoon#454

Update: Looks like we can require this code by adding the following to the application.js:
https://github.com/nathanvda/cocoon#rails-6webpacker