[MFR] Mirror Front End Error Report：主页rosdistro缺少指向mirrorz help文档的链接

[CybCom]

Note

• I understand that the issue raised here is related to the front-end.
• I understand that the issue raised here is not related to the docmuent or files.
• I have looked it up in opening issue, it's not reported by others.
• I have looked it up in closed issue, it's not refused for some reasons.

Error Information

repo url：问题在主页https://mirror.nju.edu.cn/ ，不在该repo目录下。
error inforation：rosdistro一项没有指向help文档的链接。
how to update the doc.：增加到https://mirror.nju.edu.cn/mirrorz-help/rosdistro/?mirror=NJU 的链接。

参见TUNA站。

Other Information

• os with version [操作系统及版本]: win11 23H2 Build 22631.2861
• browser with version [浏览器及版本]: Microsoft Edge Version 120.0.2210.91 (Official build) (64-bit)
• appear time [大致出现问题的时间]: Tue Dec 26 09:11:52 PM +08 2023