Compress files to reduce load times

[davidhjones]

https://medium.com/@rajaraodv/two-quick-ways-to-reduce-react-apps-size-in-production-82226605771a

[davidhjones]

https://github.com/webpack-contrib/compression-webpack-plugin

[davidhjones]

https://developers.google.com/speed/pagespeed/insights/?url=https%3A%2F%2Fcwn-flyer-staging.herokuapp.com%2F&tab=desktop

[davidhjones]

https://forum-archive.vuejs.org/topic/4059/adding-gzip-to-webpack-using-compression-plugin/2