"apps": [
    {
      "root": "src",
      "outDir": "dist",
      ....
      "styles": [
          "styles.css",
          "../node_modules/bootstrap/dist/css/bootstrap.css",
          "../node_modules/font-awesome/css/font-awesome.css" // -here webpack will automatically build a link css element out of this!?
      ],
      ...
  }
  ]
],