add compiler options feat

[ts0307]

usage is as follows:

{
  test: /\.vue(\?[^?]+)?$/,
  loader: 'weex-loader',
  options: {
    compilerOptions: {
      modules: [{
        transformNode: (el, options) => {},
        preTransformNode: (el, options) => {},
        postTransformNode: (el, options) => {}
        }
      ]  
    }
  }
}

[erha19]

@balloonzzq