code: function addDeployPlugin(webpackConfig, wpkConfig, env) {
      env = proccessFtpPath(env);
  
      webpackConfig.plugins.push(new DeployPlugin({
          server: `${env.__ftp_user__}:${env.__ftp_password__}@${env.__ftp_host__}:${env.__ftp_port__}`,
          workspace: wpkConfig.output.path,
          deployTo: env.__ftp_path__
      }));
  }
docs: 增加部署用的插件
  
  @param {object} webpackConfig
  @param {object} wpkConfig
  @param {object} env