Examine source code of Zorglub 2022

{
  "manifest_version": 2,
  "name": "Zorglub 2022",
  "version": "1.0",
  "description": "Pour grand-remplacer les Z",
  "icons": {
    "96": "icons/96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "js/correct.js"
      ]
    }
  ]
}