index.js
function readCss () {
  return new Promise(function(resolve, reject){
    readFile(SRC, {encoding: 'utf8'}, function(err, str){
      if (err) { return reject(err); }
      resolve(str)
    });
  });
}
function readCss () {
  return new Promise(function(resolve, reject){
    readFile(SRC, {encoding: 'utf8'}, function(err, str){
      if (err) { return reject(err); }
      resolve(str)
    });
  });
}
function readCss ( ) { return new Promise ( function ( resolve , reject ) { readFile ( SRC , { encoding : 'utf8' } , function ( err , str ) { if ( err ) { return reject ( err ) ; } resolve ( str ) } ) ; } ) ; }
Read local github's css
@private
@return {Promise} - resolves to a {String} with the local github's css
Read local github s css