old_contents: module.exports = {
      files: [
          "src",
          "tools",
          "config",
          "README.md",
          ".eslintrc.js",
          ".eslintignore",
          ".stylelintrc.js",
          ".gitignore",
      ],
      options: [
          {
              type: 'input',
              name: 'webserver',
              message: 'html url(//localhost:9000/)',
              default: "//localhost:9000/",
          },
          {
              type: 'input',
              name: 'cdn',
              message: 'cdn url(//localhost:8000/)',
              default: "//localhost:8000/",
          },
          {
              type: 'input',
              name: 'port',
              message: 'development server port(9000)',
              default: '9000',
          },
          {
              type: 'input',
              name: 'route',
              message: 'development server directory(/news/)',
              default: '/news/',
          }
      ]
  };
new_contents: module.exports = {
      files: [
          "src",
          "tools",
          "config",
          "README.md",
          ".eslintrc.js",
          ".eslintignore",
          ".stylelintrc.js",
          ".gitignore",
          ".babelrc",
      ],
      options: [
          {
              type: 'input',
              name: 'webserver',
              message: 'html url(//localhost:9000/)',
              default: "//localhost:9000/",
          },
          {
              type: 'input',
              name: 'cdn',
              message: 'cdn url(//localhost:8000/)',
              default: "//localhost:8000/",
          },
          {
              type: 'input',
              name: 'port',
              message: 'development server port(9000)',
              default: '9000',
          },
          {
              type: 'input',
              name: 'route',
              message: 'development server directory(/news/)',
              default: '/news/',
          }
      ]
  };
subject: improve steamer config