:sparkles: feat: add clock time plugin

[arvinxx]

📝 信息 | Information

a new plugin using with the standalone type : https://github.com/lobehub/chat-plugin-clock-time

✅ 检查列表 | Checklist:

• [ ] 我已阅读了 Readme.md
• [ ] 描述是用英文编写的。
• [ ] meta.json 和 plugin-template.json 没有被修改过。
• [ ] entry 放置在 plugins 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 plugin-template.json have not been modified.
• [ ] The entry is placed in the plugins directory with the .json file extension.

[lobehubbot]

❤️ Great PR @arvinxx ❤️

The growth of project is inseparable from user feedback and contribution, thanks for your contribution!

项目的成长离不开用户反馈和贡献，感谢您的贡献!