Minify assets

I appreciate the merge request, but it's not standard practice to minify assets in contrib modules. This module does currently have a build process that can support it, but the plan is to remove it when all browsers within the last 5 years have support. At that point there will be no build process and the JavaScript will be unminified. I'd rather not make that change, and let individuals use a module like Minify JS → if they desire it.