Get apibilling usage

curl --request GET \
  --url https://api.kazzle.app/api/billing/{spaceId}/usage \
  --header 'Authorization: Bearer <token>'

{
  "totalCents": 123,
  "periodStart": 123,
  "periodEnd": 123,
  "categories": [
    {
      "category": "<string>",
      "totalCents": 123,
      "eventCount": 123
    }
  ],
  "events": [
    {
      "id": "<string>",
      "category": "<string>",
      "eventCode": "<string>",
      "costCents": 123,
      "properties": "<unknown>",
      "threadId": "<string>",
      "createdAt": 123
    }
  ],
  "eventsTotal": 123,
  "limit": 123,
  "offset": 123
}