Fix formatting in README for ParametricUMAP device

[chansigit]

comma

Summary by CodeRabbit

• Documentation
  • Minor formatting improvements to code examples.

[coderabbitai]

📝 Walkthrough

Walkthrough

README.md receives formatting updates: a trailing comma is added to the ParametricUMAP device parameter example, and an end-of-file newline is added to the hyperparameter list section. No functional changes.

Changes

Cohort / File(s)	Summary
Documentation Formatting README.md	Added trailing comma in ParametricUMAP initialization example and end-of-file newline to hyperparameter section; cosmetic formatting only.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

A comma hops in, neat and tidy,
A newline at the end so fine,
No code was changed, just formatted pretty—
The README now reads just right! 🐰✨

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The pull request title 'Fix formatting in README for ParametricUMAP device' accurately describes the main change: a formatting fix in the README file for the ParametricUMAP device initialization.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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