Fine Tuning API with javascript

https://platform.openai.com/docs/guides/fine-tuning

1. prepare dataset for the API
2. upload a file
3. return the file id
4. send train request
5. return model id

Before running the node script, we need to do a couple of things.
requirements python + nodejs

1. Get OpenAI API Key Go to the following url and create a new API key.
   https://platform.openai.com/account/api-keys
   Then you need to create .env file from .env.sample and put the API key you got.

2. Prepare the dataset For using OpenAI fine-tuning API, we will need to upload the dataset so first we need to create a file which is a jsonl.
   The format is below. sample: data.jsonl

{ "prompt": "users' question", "completion": "answer to the question" }
// sample
{ "prompt": "What is the OT-2 Python Protocol API? ", "completion": "The OT-2 Python