rzfile 0.2.0

Library to handle RZ game data parsing and name decoding
Documentation
# Pull Request

## Description

Please explain what this PR does and why it's needed.  
Link any related issues (e.g., `Closes #42`).

## Changes

- [ ] Feature added
- [ ] Bug fix
- [ ] Refactoring
- [ ] Docs update
- [ ] Other (explain below)

## Checklist

- [ ] Code is formatted with `cargo fmt`
- [ ] No Clippy warnings (`cargo clippy`)
- [ ] Tests pass (`cargo test`)
- [ ] Added or updated relevant tests
- [ ] Documentation updated (if applicable)
- [ ] Ready for review

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> If you're contributing for the first time: welcome!  
> Check the `CONTRIBUTING.md` for development guidelines.