[Feature Request] 增加对openrouter的支持

[LiMinghan1220]

🥰 需求描述

如题，openrouter是著名的服务提供商，对它的支持可以几乎覆盖所有模型而不需要单独适配，这也是我这段时间的思考结果（我之前提过一个自定义模型的issues）。

🧐 解决方案

如题

📝 补充信息

No response

[Issues-translate-bot]

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Title: [Feature Request] Add support for openrouter

🥰 Description of requirements

As mentioned, openrouter is a well-known service provider, and its support can cover almost all models without the need for separate adaptation. This is also the result of my thinking during this period (I mentioned a custom model issue before).

🧐 Solution

As title

📝 Supplementary information

No response

[QAbot-zh]

openRouter 复用 OpenAI 类型不是就可以了？

[Issues-translate-bot]

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Isn’t it enough for openRouter to reuse OpenAI types?

[LiMinghan1220]

openRouter 复用 OpenAI 类型不是就可以了？

OpenAI我们需要接OpenAI😭

[Issues-translate-bot]

Bot detected the issue body's language is not English, translate it automatically.

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Isn’t it enough for openRouter to reuse OpenAI types?

OpenAI we need to pick up OpenAI😭