Create chat completion

curl --request POST \
  --url https://inference.api.nscale.com/v1/chat/completions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json; charset=utf-8' \
  --data '{
  "max_tokens": 100,
  "messages": [
    {
      "content": "Hello, how are you?",
      "role": "user"
    }
  ],
  "model": "meta-llama/Llama-3.1-8B-Instruct",
  "n": 1,
  "stream": false,
  "stream_options": null
}'

{
  "id": "<string>",
  "object": "<string>",
  "created": 123,
  "model": "<string>",
  "choices": [
    {
      "index": 123,
      "message": {
        "role": "<string>",
        "content": "<string>"
      },
      "logprobs": "<string>",
      "finish_reason": "<string>",
      "stop_reason": "<string>"
    }
  ],
  "usage": {
    "prompt_tokens": 123,
    "total_tokens": 123,
    "completion_tokens": 123
  },
  "prompt_logprobs": "<string>"
}