Update readme for webpack 2 config

[intelcoder]

{
          test: /\.scss/,
          enforce: "pre",
          loader: 'import-glob-loader'
 }

[flaviotulino]

Thanks for this. The Readme has not been edited yet.

[aneurysmjs]

thank you a lot :)

[adi518]

I'm having trouble getting it to work with VueJS Webpack template, any ideas?

[pashtet86]

Hey, I can not figure out how it should work in case of pipeline? ( loader: 'style!css!sass' )