can we add a apikey if we use cloud server?

[zhiflo]

I haven't fund a apikey args in this project,

[sr-tream]

I use LiteLLM proxy for that: the copilot-api and litellm created in one docker network, and litellm calls the copilot-api endpoint and manage api keys

[ZiuChen]

This PR may help you: #144
Before it gets merged, you can get apiKey support through my repository