message: feat(cli):add vue feature flags
diff: import sass from 'sass';
  +import webpack from 'webpack';
  import FriendlyErrorsPlugin from '@nuxt/friendly-errors-webpack-plugin';
  import { VueLoaderPlugin } from 'vue-loader';
  import { join } from 'path';
  @@ -34,6 +35,10 @@ const CSS_LOADERS = [
  ];
  const plugins = [
  + new webpack.DefinePlugin({
  + __VUE_OPTIONS_API__: 'true',
  + __VUE_PROD_DEVTOOLS__: 'false'
  + }),
  new VueLoaderPlugin(),
  new FriendlyErrorsPlugin({
  clearConsole: false,
  