Examine source code of KitAds

{
  "name": "KitAds",
  "short_name": "KitAds",
  "author": "KitAds Team",
  "version": "1.0.0",
  "homepage_url": "https://kitads.vn",
  "description": "Công cụ hỗ trợ chạy quảng cáo Shopee",
  "default_locale": "vi",
  "permissions": [
    "*://*.shopee.vn/*",
    "*://*.kitads.vn/*",
    "activeTab",
    "cookies",
    "tabs",
    "runtime",
    "browserAction"
  ],
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "64": "icons/64.png",
    "128": "icons/128.png",
    "512": "icons/512.png"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true,
    "browser_style": true
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "KitAds",
    "default_icon": {
      "16": "icons/16.png",
      "32": "icons/32.png",
      "64": "icons/64.png",
      "128": "icons/128.png",
      "512": "icons/512.png"
    }
  },
  "content_security_policy": "script-src 'self' ; object-src 'self'",
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{590bc8c3-2a76-4664-bcb8-1e5e6d6031b5}"
    }
  }
}