Examine source code of ChatGPT Text Modifier

{
  "manifest_version": 2,
  "name": "ChatGPT Text Modifier",
  "version": "2.1",
  "description": "Modifie le texte de version de 4 à 3.5 sur chat.openai.com dans les canaux.",
  "permissions": [
    "activeTab",
    "https://chat.openai.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://chat.openai.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{1269a811-261e-4dce-b017-f892c010824a}"
    }
  }
}