[Feature]: support the configuration of the OpenAI endpointPath parameter

[lzhx2019]

It is hoped to support the configuration of the OpenAI endpointPath parameter, so as to realize more flexible configuration of endpointPath differences for models compatible with the OpenAI protocol.

[AlbumenJ]

What is the endpointPath? What is the difference with baseUrl?

[lzhx2019]

What is the endpointPath? What is the difference with baseUrl?

Some models comply with the OpenAI protocol, but their endpointPath is not necessarily /v1/chat/completions

[AlbumenJ]

@JGoP-L

[yeyeyeyeZhan]

我看见feat已提交合并，需要等到下一次发版才能使用这个功能吗？