Docs: Typo Fix

[RahulK4102]

Corrected "Reseach" to "Research" in [README.md].

This pull request addresses a minor typo found in repository. The typo has been corrected to improve clarity and maintain the quality of the documentation.

This change is purely cosmetic and does not affect functionality.

📝 信息 | Information

✅ 检查列表 | Checklist:

• [ ] 我已阅读了 Readme.md
• [ ] 描述是用英文编写的。
• [ ] meta.json 和 agent_template.json 没有被修改过。
• [ ] entry 放置在 agents 目录中，并且使用 .json 文件扩展名。

---

• [ ] I have read the Readme.md
• [ ] The description is written in English.
• [ ] The meta.json and agent_template.json have not been modified.
• [ ] The entry is placed in the agents directory with the .json file extension.

[lobehubbot]

👍 @RahulK4102

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