error-tree 0.3.5

This crate let's us use the `error_tree!` proc macro for ergonomic error hierarchy definition
Documentation
# Contributing to Error Tree

First off, thank you for considering contributing to Error Tree! It's people like you that make Error Tree such a great tool.

## Code of Conduct

This project and everyone participating in it is governed by the Error Tree Code of Conduct. By participating, you are expected to uphold this code.

## How Can I Contribute?

### Reporting Bugs

This section guides you through submitting a bug report for Error Tree. Following these guidelines helps maintainers and the community understand your report, reproduce the behavior, and find related reports.

- **Use a clear and descriptive title** for the issue to identify the problem.
- **Provide a step-by-step description** of the suggested enhancement in as many details as possible.
- **Provide specific examples** to demonstrate the steps.

### Suggesting Enhancements

This section guides you through submitting an enhancement suggestion for Error Tree, including completely new features and minor improvements to existing functionality.

- **Use a clear and descriptive title** for the issue to identify the suggestion.
- **Provide a step-by-step description** of the suggested enhancement in as many details as possible.

### Your First Code Contribution

Unsure where to begin contributing to Error Tree? You can start by looking through the `beginner` and `help-wanted` issues.

### Pull Requests

- **Fill in the required template**
- **Do not include issue numbers in the PR title**
- **Include screenshots and animated GIFs** in your pull request whenever possible.
- **Follow the [Rust Style Guide]https://doc.rust-lang.org/1.0.0/style/README.html**
- **End files with a newline**

## Styleguides

### Git Commit Messages

- Use the present tense ("Add feature" not "Added feature")
- Use the imperative mood ("Move cursor to..." not "Moves cursor to...")
- Limit the first line to 72 characters or less
- Reference issues and pull requests liberally after the first line

### Rust Styleguide

All Rust code must adhere to the [Rust Style Guide](https://doc.rust-lang.org/1.0.0/style/README.html).

## Additional Notes

### Issue and Pull Request Labels

This section lists the labels we use to help us track and manage issues and pull requests.

#### Type of Issue and Issue State

- `bug`: This issue tracks a bug.
- `enhancement`: This issue tracks a feature request.
- `beginner`: Good for newcomers.
- `help-wanted`: Extra attention is needed.

### Attribution

This Contributing Guide is adapted from the [open-source contribution guidelines template](https://gist.github.com/PurpleBooth/b24679402957c63ec426).