Examine source code of V+ Unlock

{
  "manifest_version": 3,
  "name": "V+ Unlock",
  "version": "1.6.2",
  "description": "V+",
  "browser_specific_settings": {
    "gecko": {
      "id": "vplus-unlock-v2@vol-bypass.local",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.vol.at/*"
      ],
      "css": [
        "styles.css"
      ],
      "js": [
        "content.js"
      ]
    }
  ]
}