Update README to include a ROS2 project using sherpa-onnx

[csukuangfj]

Summary by CodeRabbit

• Documentation
  • Added a new "elderly-companion" project entry highlighting real-time speech recognition in ROS2 with RK NPU using sherpa-onnx.
  • Added a brief description to the existing Flet ASR/STT component based on sherpa-onnx.
  • Applied minor formatting tweaks in the README for improved readability.

[coderabbitai]

Walkthrough

Added a new "elderly-companion" project entry to README and a brief description line under the existing "flet_sherpa_onnx" header, with minor spacing/formatting adjustments. No code or API changes.

Changes

Cohort / File(s)	Summary
Documentation README.md	Added "elderly-companion" project entry referencing sherpa-onnx Python API for real-time ASR in ROS2 with RK NPU; appended a descriptive line for "flet_sherpa_onnx"; minor formatting (blank lines) preserved around the section.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• add flet_sherpa_onnx in readme #2663 — Also updates README with adjustments around flet_sherpa_onnx; overlaps in documentation scope.

Poem

I hop through docs with gentle cheer,
New friends appear—companions near!
A flet-ful line, a tidy space,
README paths in perfect place.
Ears perked high, I stamp and grin—
Small edits made; let reviews begin! 🐇✨

Pre-merge checks and finishing touches

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title Check	✅ Passed	The title succinctly describes the primary change, namely updating the README to include a ROS2 project that uses sherpa-onnx, and matches the content of the changeset without extraneous detail or ambiguity.
Docstring Coverage	✅ Passed	No functions found in the changes. Docstring coverage check skipped.

✨ Finishing touches

🧪 Generate unit tests (beta)

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

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📜 Recent review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between ecfbc9a and e75b2b6.

📒 Files selected for processing (1)

• README.md (1 hunks)

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