Examine source code of Nmap Args

{
  "manifest_version": 2,
  "name": "Nmap Args",
  "version": "1.0",
  "description": "A sidebar providing a reference for Nmap arguments (flags, switches) and NSE scripts, sorted into categories and with search functionality.",
  "permissions": [
    "activeTab",
    "storage"
  ],
  "sidebar_action": {
    "default_title": "Nmap Args",
    "default_panel": "sidebar.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{cc007b0d-b71f-4fd7-a0f1-ce6817a99687}"
    }
  }
}