fix(docs): benchmark index links 404

[thomhurst]

Summary

• Bare relative links on /docs/benchmarks/ index resolved to /docs/<Name> (404) instead of /docs/benchmarks/<Name>.
• Switched links to ./<Name>.md so Docusaurus resolves to the sibling route.
• Updated both generator scripts (process-benchmarks.js, process-mock-benchmarks.js) and regenerated index.md files so CI regenerations keep the fix.

Fixes #5585

Test plan

• Verify links on https://tunit.dev/docs/benchmarks/ point to /docs/benchmarks/AsyncTests etc.
• Verify mock benchmark links at /docs/benchmarks/mocks/ resolve correctly.

[claude]

Code Review

Overall: Clean, minimal, correct fix. Approved.

What the PR does

Bare Markdown links like [AsyncTests](AsyncTests) in Docusaurus are resolved relative to the site root, producing /docs/AsyncTests (404). Switching to ./AsyncTests.md instructs Docusaurus to resolve relative to the current file's directory, yielding the correct /docs/benchmarks/AsyncTests route.

Assessment

The change is correct and well-scoped:

• Root cause addressed — both generator scripts (process-benchmarks.js, process-mock-benchmarks.js) are updated, so CI regenerations will preserve the fix rather than reverting it.
• Generated files regenerated — index.md and mocks/index.md are committed in the same PR, keeping the repo consistent immediately.
• No over-engineering — the minimal ./Name.md form is the canonical Docusaurus recommendation for relative sibling links; nothing more is needed.

Minor observation (non-blocking)

Both generator scripts still produce a trailing blank line between the runtime benchmarks list and the "Build Benchmarks" section (the template literal leaves a double newline). This is a pre-existing cosmetic quirk unrelated to this fix and not worth changing here.

No issues found. This is a straightforward, correct documentation fix.

[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

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