docs(readme): swap in NodeMaven's September banner and link

[0xMassi]

Swaps NodeMaven's banner for the September artwork and points the sponsor links at the September tracking URL. Copy and discount codes unchanged.

Summary by CodeRabbit

• Documentation
  • Updated the NodeMaven banner and linked URLs in the English and Chinese README files. The existing description and offer information remain unchanged.

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No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Advanced

Run ID: fbc11a29-b619-4098-be35-979267f0ba51

📥 Commits

Reviewing files that changed from the base of the PR and between 6371244 and 164d81d.

⛔ Files ignored due to path filters (2)

• assets/sponsors/nodemaven-banner-20260923.png is excluded by !**/*.png
• assets/sponsors/nodemaven-banner.png is excluded by !**/*.png

📒 Files selected for processing (2)

• README.md
• README_zh-CN.md

Included review availability: Your plan provides up to 8 included reviews per hour; 7 remain after this review.

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📝 Walkthrough

Walkthrough

The NodeMaven sponsor entries in the English and Simplified Chinese READMEs now use an updated promotional URL and banner image. The descriptions and offer information remain unchanged.

Changes

NodeMaven sponsor entry

Layer / File(s)	Summary
Update NodeMaven sponsor entry README.md, README_zh-CN.md	Both README entries use the updated promotional URL and the nodemaven-banner-20260923.png image. The descriptions remain unchanged.

Priority: ⬇️ Low

Estimated code review effort: 1 (Trivial) | ~3 minutes

Change: Other

Merge Risk: ⚪ Minimal · up to 164d8

The sponsor links and banner are ready to merge after normal checks.

🚥 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 summarizes the README update to NodeMaven’s September banner and sponsor link.
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.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Commit to this branch
• Create a new PR

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