[Feature Request] extraBabelPlugins and extraBabelPresets could support an arry

[fengsx]

Background

a babel plugin maybe need a array parameters. such as babel-plugin-replace-imports

Proposal

extraBabelPlugins: [
    ["babel-plugin-replace-imports", [
      {
        "test": /\/stylus\//,
        "replacer": "/sass/"
      }, {
        "test": /\.styl$/i,
        "replacer": "$&?theme-red"
      }
    ]]
  ],