Examine source code of Son Goku known

{
  "manifest_version": 2,
  "name": "Son Goku known",
  "version": "1.0",
  "description": "Son Goku is known for his endless desire to become stronger. From a young boy training under Master Roshi to a warrior who can challenge gods, Goku never stops pushing his limits. He believes that every battle is an opportunity to improve himself.",
  "permissions": [
    "theme"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "Songokuknown@gmail.com",
      "strict_min_version": "91.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "collects_personal_data": false,
        "description": "Tiện ích không thu thập hoặc lưu trữ bất kỳ dữ liệu nào của người dùng.",
        "data_types_collected": [],
        "retention": "none",
        "contact": "cuongngoan210393@gmail.com"
      }
    }
  }
}