fix: custom metrics ref link in main readme

[asamal4]

Description

fix: custom metrics ref link in main readme

Type of change

• Refactor
• New feature
• Bug fix
• CVE fix
• Optimization
• Documentation Update
• Configuration Update
• Bump-up service version
• Bump-up dependent library
• Bump-up library or tool used for development (does not change the final image)
• CI configuration change
• Unit tests improvement

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Checklist before requesting a review

• I have performed a self-review of my code.
• PR has passed all pre-merge test jobs.
• If it is a core feature, I have added thorough tests.

Testing

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Summary by CodeRabbit

• Documentation
  • Updated the README links for several custom turn-level metrics to point to their current locations.
  • Improved navigation for answer_correctness, intent_eval, tool_eval, and keywords_eval references.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: dcdff96c-d305-4861-98a5-7bebe621e500

📥 Commits

Reviewing files that changed from the base of the PR and between 27b4aa2 and 0b9fb21.

📒 Files selected for processing (1)

• README.md

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Walkthrough

The README’s Turn-Level (Single Query) custom metric links were updated to point to newer module paths under src/lightspeed_evaluation/core/metrics/custom/.

Changes

README metric links

Layer / File(s)	Summary
Updated metric links README.md	The Turn-Level (Single Query) custom metric bullets now reference the new custom/ module locations for answer_correctness, intent_eval, tool_eval, and keywords_eval.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

🚥 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 matches the README documentation fix for custom metrics reference links.
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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