Examine source code of ZonaFilm

{
  "manifest_version": 3,
  "name": "ZonaFilm",
  "version": "0.2",
  "default_locale": "ru",
  "icons": {
    "32": "res/icon_32.png",
    "128": "res/icon_128.png"
  },
  "permissions": [
    "declarativeNetRequest"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "scripts/refererHook.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "scripts/content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "zonafilm@zonafilm.ru",
      "strict_min_version": "113.0"
    }
  }
}