List webhooks

{
  "webhooks": [
    {
      "_id": "507f1f77bcf86cd799439011",
      "name": "My Production Webhook",
      "url": "https://example.com/webhook",
      "events": [
        "post.published",
        "post.failed"
      ],
      "isActive": true,
      "lastFiredAt": "2024-01-15T10:30:00Z",
      "failureCount": 0
    },
    {
      "_id": "507f1f77bcf86cd799439012",
      "name": "Slack Notifications",
      "url": "https://hooks.slack.com/services/xxx",
      "events": [
        "post.failed",
        "account.disconnected"
      ],
      "isActive": true,
      "failureCount": 0
    }
  ]
}

{
  "error": "Unauthorized"
}