Examine source code of Shortcut Sensei

{
  "manifest_version": 3,
  "name": "Shortcut Sensei",
  "version": "1.0",
  "description": "Master essential keyboard shortcuts for developers through an engaging interactive quiz. Improve your coding speed and efficiency with bite-sized challenges covering VS Code, browsers, Git, and more.",
  "icons": {
    "48": "icon.png"
  },
  "action": {
    "default_popup": "index.html",
    "default_title": "Shortcut Sensei"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{cc7cf886-8b27-4090-99d3-c5045cd0ff35}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}