Retrieves a custom form

curl --request GET \
  --url https://api.rootly.com/v1/custom_forms/{id} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "7c40b140-ec41-46fe-b9b5-0298db24ca83",
    "type": "custom_forms",
    "attributes": {
      "slug": "dolores-consectetur-animi-ex",
      "name": "Dolores consectetur animi ex.",
      "description": "Cupiditate possimus autem ratione.",
      "enabled": true,
      "command": "dolores-consectetur-animi-ex",
      "created_at": "2025-10-08T13:03:20.323-07:00",
      "updated_at": "2025-10-08T13:03:20.323-07:00"
    }
  }
}