Create chat completion

curl --request POST \
  --url https://api.vlm.run/v1/openai/chat/completions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "id": "<string>",
  "model": "vlm-1",
  "messages": [
    {
      "role": "user",
      "content": "<string>"
    }
  ],
  "max_tokens": 1024,
  "n": 123,
  "temperature": 0.7,
  "top_p": 1,
  "top_k": 123,
  "logprobs": 123,
  "stream": false,
  "response_format": {},
  "domain": "<string>",
  "json_schema": {},
  "metadata": {
    "environment": "dev",
    "session_id": "<string>",
    "allow_training": true
  }
}'

{
  "id": "<string>",
  "object": "chat.completion",
  "created": 123,
  "model": "<string>",
  "choices": [
    "<any>"
  ],
  "usage": {
    "completion_tokens": 123,
    "prompt_tokens": 123,
    "total_tokens": 123
  },
  "system_fingerprint": "<string>"
}