fix(docs): link the active language badge to its own README

[jingjingzhang1]

GitHub wraps any README image that is not already inside a link with a link to the image file itself. The current-language badge was a bare , so clicking it navigated to the badge SVG on camo instead of staying on the page. Linking it to its own file keeps GitHub from auto-linking it.

Summary by CodeRabbit

• Documentation
  • Updated the README language-switcher badges so both English and Simplified Chinese badges link to their respective documentation pages.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Team

Run ID: fe533864-24eb-4ed5-865a-84375fc35c58

📥 Commits

Reviewing files that changed from the base of the PR and between 4ce1e94 and a2c7800.

📒 Files selected for processing (2)

• README.md
• README.zh-CN.md

Included review availability: Your plan provides up to 2 included reviews per hour; 1 remains after this review.

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📝 Walkthrough

Walkthrough

The language-switcher badges in both README files now link to their corresponding documents.

Changes

Language badge links

Layer / File(s)	Summary
Language-switcher badge navigation README.md, README.zh-CN.md	Both language badges are wrapped in links to their corresponding README files.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Merge Risk: ⚪ Minimal · up to a2c78

The language badges now link to their respective README files as intended, with no remaining merge-readiness risk.

Suggested reviewers: claude

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main documentation change: linking the active language badge to its own README.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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