Examine source code of TodoLite

{
  "manifest_version": 3,
  "name": "Todo",
  "version": "1.0.0",
  "description": "todo list extension",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "192": "icons/icon-192.png",
    "512": "icons/icon-512.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "todo-extension-by-hamidrezaesh@example.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png"
    },
    "default_title": "Todo"
  }
}