docs: add npm link to contributor setup

[WuKongAI-CMU]

Summary

• add the missing npm link step to the contributor setup flow
• explain that it puts the local nemoclaw CLI on the developer PATH

Testing

• not run (docs-only change)

Closes #989

Signed-off-by: Intern Dev dev@wukongai.io

Summary by CodeRabbit

• Documentation
  • Updated the Getting Started instructions to add an npm link step and revised wording around linking the local CLI. Existing install and build steps remain unchanged. This clarifies the setup process for contributors and reduces friction when testing locally.

[coderabbitai]

📝 Walkthrough

Walkthrough

Added an npm link step to CONTRIBUTING.md after the repository root npm install to register the nemoclaw CLI on the developer PATH; remaining setup steps (TypeScript plugin install/build and subsequent commands) are unchanged.

Changes

Cohort / File(s)	Summary
Documentation CONTRIBUTING.md	Inserted npm link after root npm install and updated wording to explain that this links the local nemoclaw CLI into the developer PATH. No other changes to setup commands.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

🐰 A tiny link, a nimble trick,
The CLI now finds its path so quick.
From root install a gentle wink,
Developers hop — the command will stick. 🥕

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The PR title 'docs: add npm link to contributor setup' accurately reflects the main change: adding npm link documentation to CONTRIBUTING.md.
Linked Issues check	✅ Passed	The PR addresses the primary objective from issue #989 by adding the missing npm link step to CONTRIBUTING.md, enabling developers to use the nemoclaw CLI after setup.
Out of Scope Changes check	✅ Passed	All changes are directly scoped to addressing issue #989: updating CONTRIBUTING.md with npm link documentation for developer setup.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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_{Comment @coderabbitai help to get the list of available commands and usage tips.}

[WuKongAI-CMU]

Addresses #989 by adding the missing npm link step to the contributor setup flow so the local nemoclaw CLI is available on PATH during development.

@coderabbitai review

[coderabbitai]

@WuKongAI-CMU Sure! I'll review the changes in this PR now.

✅ Actions performed

Review triggered.

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[wscurran]

✨ Thanks for submitting this fix, it identifies a documentation issue and proposes a solution to add a missing step to the contributor setup flow, which could improve the helpfulness and accuracy of the documentation.