Examine source code of DN clean and free

{
  "manifest_version": 2,
  "name": "DN clean and free",
  "short_name": "DN clean",
  "version": "0.14resigned1",
  "description": "dn.se with no ads and unlimited number of articles. Removes adblock popup dialog.",
  "homepage_url": "https://github.com/crash007/dn-unlimited",
  "author": "crash007",
  "content_scripts": [
    {
      "matches": [
        "http://www.dn.se/*",
        "https://www.dn.se/*"
      ],
      "js": [
        "libs/jquery-3.2.1.min.js",
        "fixer.js"
      ],
      "run_at": "document_start"
    }
  ],
  "icons": {
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{10265b50-a502-4315-b403-083bf9051d92}"
    }
  }
}