List available instance types

curl --request GET \
  --url https://runcrate.ai/api/v1/instances/types \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": "<string>",
      "gpu_type": "<string>",
      "gpu_count": 123,
      "cpu_cores": 123,
      "memory_gb": 123,
      "storage_gb": 123,
      "region": "<string>",
      "hourly_rate": 123,
      "deployment_type": "<string>"
    }
  ],
  "meta": {
    "cursor": "<string>",
    "hasMore": true,
    "total": 123,
    "requestId": "<string>"
  }
}