Examine source code of Privacy Bubble

{
  "manifest_version": 3,
  "name": "Privacy Bubble",
  "version": "1.1",
  "description": "Analyze and manage privacy for any website with detailed trackers info and privacy score.",
  "icons": {
    "48": "icons/icon48.png",
    "96": "icons/icon96.png"
  },
  "permissions": [
    "activeTab",
    "storage",
    "webRequest",
    "webRequestBlocking",
    "*://*/*"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": "icons/icon48.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "privacybubble@firefox"
    }
  }
}