Examine source code of Whatsapp Number Extractor

{
  "manifest_version": 3,
  "name": "WhatsApp Number Extractor",
  "version": "1.2",
  "description": "Grup üyelerinden telefon numaralarını toplayıp CSV olarak indir.",
  "icons": {
    "48": "icon/icon-48.png",
    "96": "icon/icon-96.png"
  },
  "permissions": [
    "activeTab"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://web.whatsapp.com/*"
      ],
      "css": [
        "98-scoped.css"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "*.woff",
        "*.woff2",
        "help-en.html",
        "help-tr.html",
        "98.css"
      ],
      "matches": [
        "*://*.whatsapp.com/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{84f32af9-a587-477b-92cc-3d195c953f7e}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}