Change Readme to use new Rule.use configuration

… when source maps are enabled. Chrome Canary 57.0.2981.0 and Firefox 50.1.0 support loading source maps when sourceMapURL directive is dynically added to a new or existing style element in the DOM. This means that style-loader can simply add the styles and sourceMapURL directive as text inside a style element and the source map will be loaded by the browser. Given the simpler insertion method, the relative and protocol-relative urls in stylesheets will not break.

…ateDocsForFinal

chore(readme): Update to webpack standard format

To allow inclusion in https://webpack.js.org/ docs.

Remove license link

Update the link to css-loader local scope

Fixed link to local scope

…rning

fix deprecated warning