Examine source code of SYNTEX Privacy Shield

{
  "manifest_version": 3,
  "name": "SYNTEX Privacy Shield",
  "version": "1.2.0",
  "browser_specific_settings": {
    "gecko": {
      "id": "contact@syntexsecurity.com",
      "strict_min_version": "121.0"
    }
  },
  "description": "Advanced privacy protection and threat detection for browsers",
  "permissions": [
    "storage",
    "webRequest",
    "webRequestBlocking",
    "activeTab",
    "alarms"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "page": "background/background.html"
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_title": "SYNTEX Privacy Shield"
  },
  "icons": {
    "16": "popup/icons/icon16.png",
    "48": "popup/icons/icon48.png",
    "128": "popup/icons/icon128.png"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  }
}