Examine source code of Secure Password Generator

{
  "manifest_version": 2,
  "name": "Secure Password Generator",
  "version": "1.1",
  "description": "Generate secure passwords.",
  "permissions": [
    "clipboardWrite"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5b8cc052-d372-4b1c-8cbd-d601a0fb49c9}"
    }
  }
}