Examine source code of Passworder

{
  "manifest_version": 2,
  "name": "Passworder",
  "version": "1.0",
  "description": "Generate strong passwords with custom length",
  "permissions": [
    "clipboardWrite"
  ],
  "browser_action": {
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{348b328c-d9ce-4173-8a22-5e055c2e2a78}"
    }
  }
}