docs: add version verification note

[Mohit-001-hash]

Description

Added a small documentation note to improve the project setup instructions.

Fixes #None (just a documentation quick fix)

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new warnings

Summary by CodeRabbit

• Documentation
  • Added a setup note recommending verification of Node.js and npm versions before installing dependencies.

[github-actions]

👋 Thank you @Mohit-001-hash for your contribution to Late-Meet!

⚠️ Warning: This PR does not seem to link to an open issue. Please edit the PR description to include Closes #XX to ensure your contribution counts for GSSoC points.

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[github-actions]

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• the PR references the related issue
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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: d97c295e-249b-493e-b269-3aaaf34ab1d9

📥 Commits

Reviewing files that changed from the base of the PR and between d216444 and 2650130.

📒 Files selected for processing (1)

• README.md

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📝 Walkthrough

Walkthrough

README.md adds a developer setup note. The note instructs verification of Node.js and npm versions before dependency installation.

Changes

Developer setup documentation

Layer / File(s)	Summary
Node.js and npm version checks README.md	Adds node --version and npm --version checks before dependency installation.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Suggested reviewers: shouri123

🚥 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 and concisely describes the documentation change to add a version verification note.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
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.

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud