Update README.md

[kpj-2006]

Summary by CodeRabbit

• Documentation
  • Updated README.md with minor content additions.

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[coderabbitai]

Caution

Review failed

The pull request is closed.

📝 Walkthrough

Walkthrough

A single line "check 9" was added to README.md following the existing "check 8" entry. This is a minor documentation update with no functional impact on the codebase.

Changes

Cohort / File(s)	Change Summary
Documentation Update README.md	Added "check 9" line after "check 8"; no deletions or structural changes.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~1 minute

Poem

🐰 One line added, neat and clean,
Check nine joins the sequence seen,
Through the README's hallowed page,
Progress marks another stage!

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📜 Recent review details

Configuration used: defaults

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 9030f13 and 0563901.

📒 Files selected for processing (1)

• README.md

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