[Docs] Add OpenAI model name aliases

[lingyielia]

Description

• Add model name aliases in code and docs
• update a wrong link

see #568

Screenshot

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[stichbury]

Looks good to me, thanks for those updates 🌟 🤖 🌟

[huong-li-nguyen]

LGTM 👍 Please remember the correct prefix for your PR titles for next time :)