git-paw 0.2.0

Parallel AI Worktrees — orchestrate multiple AI coding CLI sessions across git worktrees
Documentation
## Description

<!-- What does this PR do? Link related issues with "Closes #123" -->

## Type of Change

- [ ] Bug fix
- [ ] New feature
- [ ] Documentation
- [ ] Refactoring
- [ ] CI/CD
- [ ] Other: <!-- describe -->

## Checklist

- [ ] `cargo build` compiles without warnings
- [ ] `cargo clippy -- -D warnings` passes
- [ ] `cargo fmt --check` passes
- [ ] Tests added/updated for changes
- [ ] Commit messages follow [Conventional Commits]https://www.conventionalcommits.org/