Add to FAQ: For Azure the model name refers to the OpenAI Studio deployment name.

[qingyun-wu]

          > For Azure the model name refers to the OpenAI Studio deployment name.

This is worth being added to FAQ: https://microsoft.github.io/autogen/docs/FAQ#option-1-load-a-list-of-endpoints-from-json

Originally posted by @sonichi in #272 (comment)

[haseeb-xd]

Can I work on this?