List available models

curl --request GET \
  --url https://api.zo.computer/models/available \
  --header 'Authorization: Bearer <token>'

{
  "models": [
    {
      "model_name": "<string>",
      "label": "<string>",
      "vendor": "<string>",
      "priority": 123,
      "context_window": 123,
      "is_byok": false
    }
  ],
  "featured_models_are_free": true
}