message: Reduce the bundles by 28% with one weird trick
diff: @@ -39,7 +39,11 @@ if (process.env.NODE_ENV === 'production') {
  uglifyOptions: {
  mangle: false,
  output: {
  - beautify: true
  + // Keep it somewhat readable for AMO reviewers
  + beautify: true,
  +
  + // Reduce beautification indentation from 4 spaces to 1 to save space
  + indent_level: 1 // eslint-disable-line camelcase
  }
  }
  })
  