What kind of server is ai.cs50.io?

[ytbryan]

Hi there, thanks for open-sourcing this extension.

Are you able to share what kind of server is ai.cs50.io? It will be super great if you can point me to any repo or resource that you are using?

I am referring to this line https://github.com/cs50/ai50.vsix/blob/244318d84160f38675d2fd3e295dc2aafae20560/src/gpt.ts#LL44C1-L44C32