Examine source code of Kelio Devteam

{
  "name": "Kelio Devteam",
  "description": "Une extension pour saisir des heures dans kelio plus simplement",
  "version": "1.2",
  "manifest_version": 3,
  "permissions": [
    "storage",
    "activeTab",
    "scripting"
  ],
  "options_ui": {
    "page": "options.html"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "/images/16.png",
      "48": "/images/48.png",
      "128": "/images/128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "addon@kelio-extension.com",
      "strict_min_version": "109.0"
    }
  },
  "icons": {
    "16": "/images/16.png",
    "48": "/images/48.png",
    "128": "/images/128.png"
  }
}