Breakpoints definend in mango config file and available in styles and javascripts

[DNepovim]

[enzy]

ping @Onset as he used to share variables between json and stylus

[FilipChalupa]

There are loaders for webpack like sass-variable-loader which make variables from styles available in javascript. Maybe something similar could be used in mango-cli.

[enzy]

https://github.com/acusticdemon/gulp-sass-import-json