Examine source code of Authenticator - Auth Code

{
  "manifest_version": 3,
  "name": "__MSG_extName__",
  "short_name": "__MSG_extShortName__",
  "version": "1.1.0",
  "default_locale": "en",
  "description": "__MSG_extDesc__",
  "browser_specific_settings": {
    "gecko": {
      "id": "{dee91914-217a-4e88-92de-20b89c46648e}",
      "strict_min_version": "126.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "action": {
    "default_icon": {
      "19": "images/icon19.png",
      "38": "images/icon38.png"
    },
    "default_title": "__MSG_extShortName__",
    "default_popup": "view/popup.html"
  },
  "background": {
    "scripts": [
      "dist/background.js"
    ]
  },
  "commands": {
    "_execute_action": {},
    "scan-qr": {
      "description": "Scan a QR code"
    },
    "autofill": {
      "description": "Autofill the matched code"
    }
  },
  "options_ui": {
    "page": "view/options.html",
    "open_in_tab": false
  },
  "permissions": [
    "activeTab",
    "storage",
    "alarms",
    "scripting"
  ],
  "optional_permissions": [
    "clipboardWrite"
  ],
  "host_permissions": [
    "https://www.google.com/"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; font-src 'self'; img-src 'self' data:; style-src 'self' 'unsafe-inline'; connect-src https://www.google.com/; default-src 'none'"
  }
}