Set up project skeleton with build configuration and CI

[aidankhogg]

Summary

This PR establishes the foundational project structure for PyWeather, including build configuration, development tooling setup, and continuous integration pipelines.

Key Changes

• Project Configuration: Added pyproject.toml with modern Python packaging standards using Hatchling as the build backend
• Development Dependencies: Configured dev tools including pytest, pytest-cov, ruff (linting/formatting), and mypy (type checking)
• CI/CD Pipeline: Added GitHub Actions workflow (.github/workflows/ci.yml) with three jobs:
  • Linting and formatting checks using ruff
  • Test matrix across Python 3.10, 3.11, and 3.12
  • Type checking with mypy
• Documentation: Expanded README with installation instructions, development setup, and command references
• Changelog: Added CHANGELOG.md following Keep a Changelog format
• Package Structure: Created src/pyweather/ package with version metadata
• Test Suite: Added initial test file with version validation

Notable Details

• Minimum Python version set to 3.10
• Strict mypy configuration enabled for type safety
• Ruff configured with line length of 88 characters and selective rule set (E, F, I, UP)
• Test coverage reporting integrated with pytest-cov
• Package metadata includes GPL-3.0 license and project URLs

https://claude.ai/code/session_01E67vXnnhvttsvkdoeUegDa