Retrieves a playbook

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

{
  "data": {
    "id": "8a493459-aae3-4269-9470-80fa7350c465",
    "type": "playbooks",
    "attributes": {
      "title": "Consequatur aut alias temporibus.",
      "summary": null,
      "external_url": null,
      "severity_ids": [],
      "environment_ids": [],
      "service_ids": [],
      "functionality_ids": [],
      "group_ids": [],
      "incident_type_ids": [],
      "cause_ids": [],
      "created_at": "2025-10-20T08:33:15.967-07:00",
      "updated_at": "2025-10-20T08:33:15.967-07:00"
    },
    "relationships": {
      "severities": {
        "data": []
      },
      "environments": {
        "data": []
      },
      "services": {
        "data": []
      },
      "functionalities": {
        "data": []
      },
      "groups": {
        "data": []
      },
      "causes": {
        "data": []
      },
      "incident_types": {
        "data": []
      }
    }
  }
}