Examine source code of Auto-Group Tabs

{
  "name": "__MSG_appName__",
  "version": "0.0.22",
  "manifest_version": 3,
  "description": "__MSG_appDesc__",
  "homepage_url": "https://loilo.de",
  "icons": {
    "16": "icons/icon16.png",
    "19": "icons/icon19.png",
    "128": "icons/icon128.png",
    "256": "icons/icon256.png"
  },
  "default_locale": "en",
  "options_ui": {
    "open_in_tab": false,
    "page": "index.html?context=options"
  },
  "action": {
    "default_popup": "index.html?context=popup"
  },
  "permissions": [
    "tabs",
    "tabGroups",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "@auto-group-tabs.loilo",
      "strict_min_version": "133.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}