Update because Dubtrack removed jQuery

[FranciscoG]

• added an extra pre-step which loads jQuery from a CDN and then kicks off index.js
• made webpack a dev dependency of the project and using the latest version
• added webpack-cli because it was a required peer dependency of newer webpack
• livescript-loader did not work with the latest webpack so removed it and added livescript as a dev dependency and compiling before using webpack (see package.json script)
• updated webpack config because of the above reasons
• found a better maintained version of FileSaver.js. It wasn't working but now it is

you can test it out by creating a bookmark pointing to my repo:
javascript:(function(d){var s=d.createElement('script');s.src="https://raw.githack.com/FranciscoG/Dubtrack-Playlist-Pusher/jquery-cdn/index.js";d.body.appendChild(s)})(document);void(8)

note

if you do merge you'll need to update your bookmarklet example to remove the jQuery and use the same pure js in my test example