[Request] WolframAlpha Plugin

### 🥰 需求描述 | Feature Description

Can we have the [WolframAlpha ](https://www.wolframalpha.com/) plugin on lobe-chat platform?

### 🧐 解决方案 | Proposed Solution

I see that wolfram alpha has the required `https://www.wolframalpha.com/.well-known/ai-plugin.json` .

I can send a PR but I don't have means to test it beforehand.

### 📝 补充信息 | Additional Information

_No response_