Get all available event types

curl --request GET \
  --url https://service.bluumfinance.com/v1/webhooks/event-types \
  --header 'Authorization: Basic <encoded-value>'

{
  "status": "success",
  "data": {
    "eventTypes": [
      {
        "id": "123e4567-e89b-12d3-a456-426614174000",
        "name": "order.filled",
        "category": "order",
        "description": "Triggered when an order is completely filled",
        "displayName": "Order Filled"
      }
    ]
  }
}