docs: unify design doc path and fix broken references

[0xaskr]

Summary

• Move docs/design/ files to docs/design-docs/ops/ to match ARCHITECTURE.md convention
• Update CONTRIBUTING.md references from docs/design/ to docs/design-docs/ops/
• Remove dead link to non-existent CONTRIBUTING.zh.md in README.md

Test plan

• Verify all internal doc links resolve correctly
• Confirm no remaining references to docs/design/ or CONTRIBUTING.zh.md

🤖 Generated with Claude Code

Summary by CodeRabbit

• Documentation
  • Updated contributing guidelines to specify new location for kernel design documentation.
  • Adjusted kernel development workflow documentation to reflect updated path requirements.
  • Removed Chinese version reference from README contributing guide links.
  • All other contribution workflow requirements remain in effect.

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 0a5fc8d8-1907-44a8-b50e-7fb2687a672d

📥 Commits

Reviewing files that changed from the base of the PR and between b729fcd and ef85aca.

📒 Files selected for processing (4)

• CONTRIBUTING.md
• README.md
• docs/design-docs/ops/mla/mla-cpu-ref.md
• docs/design-docs/switch.md

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📝 Walkthrough

Walkthrough

Documentation was updated to change the kernel design documentation path from docs/design/ to docs/design-docs/ops/ in contributing guidelines, and the link to the Chinese contributing guide was removed from the README.

Changes

Cohort / File(s)	Summary
Documentation Updates CONTRIBUTING.md	Updated design documentation path requirement from docs/design/ to docs/design-docs/ops/ for kernel design documentation.
README Maintenance README.md	Removed reference link to the Chinese version of the Contributing Guide, keeping only the English version link.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• docs: migrate simple GLA design docs to docs/design-docs/ops/simple_gla/ #158: Adds GLA design documentation to the docs/design-docs/ops/ path specified in the updated CONTRIBUTING.md.
• Docs/contribution guidelines #162: Originally established the kernel design documentation requirement in CONTRIBUTING.md that is being updated here.

Poem

🐰 A rabbit hops through paths so clear,
Design docs moved—no need to fear!
From design/ to the proper way,
docs/design-docs/ops/ saves the day!
And one less tongue to cross the sea,
English guides flow wild and free! 🎉

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch docs/fix-references

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[gemini-code-assist]

Code Review

This pull request updates the directory path for kernel design documents in CONTRIBUTING.md and removes the link to the Chinese version of the contributing guide in README.md. The reviewer suggests further clarifying the path by specifying a kernel-specific subdirectory to ensure better organization of documentation.

[gemini-code-assist]

The path docs/design-docs/ops/ is a bit ambiguous given that the MLA design document was moved to a subfolder (docs/design-docs/ops/mla/). To encourage consistent organization, it would be better to specify that design documents should be placed in a kernel-specific subdirectory.

Suggested change

	Every new or refactored Kernel **must** have a design document in `docs/design-docs/ops/` covering the following:
	Every new or refactored Kernel **must** have a design document in `docs/design-docs/ops/<kernel_name>/` covering the following:

[gemini-code-assist]

Consistent with the requirement above, the instruction for adding new kernels should also point to the kernel-specific subdirectory.

Suggested change

	1. Write a design document in `docs/design-docs/ops/` first.
	1. Write a design document in `docs/design-docs/ops/<kernel_name>/` first.