Chunking assets by route

[chadfurman]

Some work is done already in the webpack config, but more is needed.

https://webpack.js.org/guides/code-splitting/

https://gist.github.com/bcallaars/67044de1675c677c0babc0665c50e661

basically the chunk.js file is the loader
and wait until the chunk is loaded and then displays it
but you define in the routeOne that it is a webpack chunk