docs: add logLevel page to sidebar

[chenjiahan]

Summary

Add logLevel page to sidebar.

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

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[Copilot]

Pull Request Overview

Adds a new logLevel page entry to the configuration section sidebar in both English and Chinese documentation.

• Inserted "log-level" key into the sidebar metadata for config pages.
• Ensured both zh and en doc sidebars include the new page.

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
website/docs/zh/config/_meta.json	Added "log-level" to the Chinese sidebar order
website/docs/en/config/_meta.json	Added "log-level" to the English sidebar order

Comments suppressed due to low confidence (2)

website/docs/zh/config/_meta.json:10

• Please ensure that zh/config/log-level.md actually exists and is correctly named, so the new sidebar entry doesn’t result in a broken link.

  "log-level",