Examine source code of Tudoo – Your Task List

{
  "manifest_version": 3,
  "name": "Tudoo – Your Task List",
  "description": "A clean and simple to-do list to help you stay focused and get things done.",
  "version": "1.0.0",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "tudoo@example.com"
    }
  },
  "action": {
    "default_popup": "index.html"
  },
  "permissions": [
    "storage"
  ]
}