message: chore: fix a format
diff: @@ -27,7 +27,9 @@ module.exports = {
  },
  plugins: [
  new webpack.DefinePlugin({
  - 'process.env.KINTONE_SUBDOMAIN': JSON.stringify(process.env.KINTONE_SUBDOMAIN)
  + "process.env.KINTONE_SUBDOMAIN": JSON.stringify(
  + process.env.KINTONE_SUBDOMAIN
  + )
  })
  ],
  devtool: "inline-cheap-source-map"
  