Examine source code of YGG Plus

{
  "name": "YGG Plus",
  "version": "1.16",
  "description": "Add downloads buttons to ygg torrent",
  "icons": {
    "128": "128.png"
  },
  "content_scripts": [
    {
      "all_frames": true,
      "js": [
        "yggplus.js"
      ],
      "matches": [
        "https://yggtorrent.org/*",
        "https://www.yggtorrent.org/*",
        "https://www3.yggtorrent.org/*",
        "https://www5.yggtorrent.org/*",
        "https://www6.yggtorrent.org/*"
      ]
    }
  ],
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{804165e5-f1ae-45c7-a974-e00772c866e6}"
    }
  }
}