Examine source code of timeenjoyed twitch status

{
  "manifest_version": 2,
  "name": "timeenjoyed twitch status",
  "version": "0.1",
  "description": "live status of estha on twitch",
  "icons": {
    "128": "icons/extension-logo-white-text.png"
  },
  "browser_action": {
    "default_icon": "icons/extension-logo-white-text.png",
    "default_popup": "popup.html"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{09b1e094-3285-47ee-93b6-29274f7405f8}"
    }
  }
}