Creates an escalation policy

curl --request POST \
  --url https://api.rootly.com/v1/escalation_policies \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/vnd.api+json' \
  --data '{
  "data": {
    "type": "escalation_policies",
    "attributes": {
      "name": "<string>",
      "description": "<string>",
      "repeat_count": 123,
      "group_ids": [
        "<string>"
      ],
      "service_ids": [
        "<string>"
      ],
      "business_hours": {
        "time_zone": "International Date Line West",
        "days": [
          "M"
        ],
        "start_time": "<string>",
        "end_time": "<string>"
      }
    }
  }
}'

{
  "data": {
    "id": "42be2b82-30cd-4e23-8350-67b812cdd692",
    "type": "escalation_policies",
    "attributes": {
      "name": "Platform EP",
      "description": "test",
      "repeat_count": 5,
      "created_by_user_id": 128,
      "last_updated_by_user_id": 128,
      "group_ids": [
        "ed742da3-8bc7-4248-8d88-3367d8375ca0"
      ],
      "service_ids": [],
      "business_hours": {
        "time_zone": "America/New_York",
        "days": [
          "M",
          "T",
          "W",
          "R",
          "F"
        ],
        "start_time": "09:00 AM",
        "end_time": "05:00 PM"
      },
      "created_at": "2025-10-06T09:27:11.722-07:00",
      "updated_at": "2025-10-06T09:27:11.722-07:00"
    },
    "relationships": {
      "escalation_levels": {
        "data": []
      },
      "escalation_paths": {
        "data": []
      },
      "groups": {
        "data": [
          {
            "id": "ed742da3-8bc7-4248-8d88-3367d8375ca0",
            "type": "groups"
          }
        ]
      },
      "services": {
        "data": []
      }
    }
  }
}