code: function convertConfig(config) {
      let {colors, prev = '', output, src = 'css/rsuite.min.css'} =config;
      return Object.keys(colors).map(key => {
          return {
              baseColor: colors[key],
              src,
              dist: Path.join(output, `${prev}${key}${Path.extname(src)}`)
          }
      });
  }
docs: 转换配置为标准option
  @param config
  @return {Array}