docs: update ZURB template JavaScript docs #10353
docs: update ZURB template JavaScript docs #10353

Changes:
* Add infos about webpack
* Add infos about Babel
* Update recommended import process
* Change list of useful resources

Closes https://github.com/zurb/foundation-sites/issues/10353

colin-marshall/foundation-sites,zurb/foundation,jamesstoneco/foundation-sites,abdullahsalem/foundation-sites,zurb/foundation,denisahac/foundation-sites,denisahac/foundation-sites,denisahac/foundation-sites,atmmarketing/foundation-sites,zurb/foundation-sites,colin-marshall/foundation-sites,zurb/foundation,atmmarketing/foundation-sites,zurb/foundation-sites,colin-marshall/foundation-sites,abdullahsalem/foundation-sites,jamesstoneco/foundation-sites,abdullahsalem/foundation-sites,DaSchTour/foundation-sites,atmmarketing/foundation-sites,DaSchTour/foundation-sites,zurb/foundation-sites,jamesstoneco/foundation-sites