Examine source code of ShadowSelf

{
  "name": "ShadowSelf",
  "short_name": "ShadowSelf",
  "homepage_url": "https://shadowself.io",
  "author": "RedeemedSpoon (contact@shadowself.io)",
  "description": "Safeguard your privacy with synthetic identities and take control of your digital life.",
  "version": "1.1.0",
  "manifest_version": 3,
  "incognito": "spanning",
  "icons": {
    "16": "assets/icons/icon-16x16.png",
    "32": "assets/icons/icon-32x32.png",
    "48": "assets/icons/icon-48x48.png",
    "64": "assets/icons/icon-64x64.png",
    "96": "assets/icons/icon-96x96.png"
  },
  "action": {
    "default_title": "ShadowSelf",
    "default_popup": "user-interface/dashboard/dashboard.html",
    "default_area": "navbar",
    "default_icon": {
      "16": "assets/icons/icon-16x16.png",
      "32": "assets/icons/icon-32x32.png",
      "48": "assets/icons/icon-48x48.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "verfication@shadowself.io",
      "strict_min_version": "126.0"
    }
  },
  "background": {
    "scripts": [
      "background/background.js"
    ],
    "type": "module"
  },
  "host_permissions": [
    "<all_urls>"
  ],
  "permissions": [
    "webRequest",
    "webRequestAuthProvider",
    "declarativeNetRequestWithHostAccess",
    "notifications",
    "cookies",
    "storage",
    "proxy",
    "tabs"
  ]
}