Get Voices

curl --request GET \
  --url https://api-west.millis.ai/voices

[
  {
    "provider": "elevenlabs",
    "voice_id": "<string>",
    "model": "<string>",
    "settings": {},
    "name": "<string>",
    "preview_url": "<string>",
    "language": "<string>",
    "category": "<string>"
  }
]