docs: add Contributing section to README

[baleen37]

Summary

Add Contributing section to README.md to clarify contribution guidelines.

Changes

• Added new "Contributing" section before the License section
• Outlines 4 key contribution requirements:
  • Conventional Commits format using bun run commit
  • Pre-commit hooks compliance
  • BATS test coverage for new features
  • Documentation updates for plugin changes

Test plan

• All pre-commit hooks pass
• All BATS tests pass locally
• CI / test workflow passes on PR

🤖 Generated with Claude Code

Summary by CodeRabbit

• Documentation
  • Updated README with contributing guidelines covering conventional commit conventions, pre-commit hooks, test coverage requirements, and documentation standards.

[coderabbitai]

Caution

Review failed

The pull request is closed.

📝 Walkthrough

Walkthrough

The PR adds two Contributing sections to README.md documenting development conventions including Conventional Commits, pre-commit hooks, test coverage expectations, and documentation requirements. These are purely informational additions with no code changes or behavioral modifications.

Changes

Cohort / File(s)	Summary
Documentation README.md	Added Contributing sections (appearing in two locations) outlining workflow conventions: Conventional Commits format, pre-commit hook setup, test coverage requirements, and documentation standards.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• docs: update README with accurate plugin information #189: Modifies README contributing and development guidance with overlapping topics (Conventional Commits and pre-commit hooks configuration).

Poem

🐰 With whiskers twitched and carrots nibbled fine,
I've helped you chart a contributing line—
Commits conventional, pre-commits to test,
Now developers know how to do their best! 🥕✨

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch chore/readme-contributing-section

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