Adding hatch as project manager

[davidsbatista]

CI/CD

• Replaced old CI workflow with new multi-platform workflow (ubuntu, windows, macos)
• Updated GitHub Actions to latest versions
• Switched from Make to Hatch for build and development

Development & Testing

• Moved all tool configurations to pyproject.toml
• Updated Python version to 3.11
• Added pytest-cov for coverage reporting

Documentation

• Added CONTRIBUTING.md with guidelines
• Added commit message and changelog conventions

Dependencies

• Updated dev dependencies (removed flake8, added pytest-cov)
• Updated tool versions (black, coverage, mypy)

Code Structure

• Cleaned up imports in example files
• Removed setup.cfg in favor of pyproject.toml

[Copilot]

Pull Request Overview

This PR replaces Make-based workflows with Hatch, updates type hints to built-in generics, and modernizes CI configuration while cleaning up configs and adding testing/docs.

• Switched CI from Make to Hatch across Ubuntu, Windows, and macOS.
• Migrated all type annotations from typing imports to built-in generic syntax.
• Consolidated tooling config into pyproject.toml and removed legacy config files.

Reviewed Changes

Copilot reviewed 15 out of 15 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
tests/test_reporting.py	Minor import spacing fix in test file
src/nervaluate/utils.py	Updated type hints to Python 3.10+ built-in generics
src/nervaluate/reporting.py	Switched exception type, updated type hints, refined loops
src/nervaluate/evaluate.py	Reordered imports, switched to built-in generics, added strict zip
src/nervaluate/init.py	Reordered exports for consistency
setup.cfg	Removed in favor of pyproject.toml
pyproject.toml	Added Hatch envs, pytest-cov, coverage, black, mypy, pylint configs
pylint.cfg	Removed legacy config file
examples/example_no_loader.py	Consolidated imports in example
.github/workflows/CI-checks.yml	New multi-platform Hatch-based workflow

Comments suppressed due to low confidence (1)

src/nervaluate/utils.py:1

• New utility functions (split_list, conll_to_spans, list_to_spans, collect_named_entities) lack corresponding unit tests; consider adding tests to verify their behavior and cover edge cases.

def split_list(token: list[str], split_chars: list[str] | None = None) -> list[list[str]]: