js__atom__plugin_tutorial/menus/orderthings.json

{
  "context-menu": {
    "atom-text-editor": [
      {
        "label": "Fetch orderthings",
        "command": "orderthings:fetch"
      }
    ]
  },
  "menu": [
    {
      "label": "Packages",
      "submenu": [
        {
          "label": "Order all the things!",
          "submenu": [
            {
              "label": "Fetch",
              "command": "orderthings:fetch"
            }
          ]
        }
      ]
    }
  ]
}