Creates a webhook endpoint

curl --request POST \
  --url https://api.rootly.com/v1/webhooks/endpoints \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/vnd.api+json' \
  --data '
{
  "data": {
    "type": "webhooks_endpoints",
    "attributes": {
      "name": "<string>",
      "url": "<string>",
      "secret": "<string>",
      "event_types": [
        "incident.created"
      ],
      "enabled": true
    }
  }
}
'

{
  "data": {
    "id": "<string>",
    "type": "webhooks_endpoints",
    "attributes": {
      "name": "<string>",
      "url": "<string>",
      "event_types": [
        "incident.created"
      ],
      "secret": "<string>",
      "enabled": true,
      "created_at": "<string>",
      "updated_at": "<string>",
      "slug": "<string>"
    }
  }
}