Update README

[glenn-jocher]

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🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Added automatic code formatting with Ruff and improved project structure documentation.

📊 Key Changes

• 🔧 Introduced .github/workflows/ruff.yml for automated code formatting using Ruff on every push and pull request to main.
• 📂 Added a new docs/ directory with README instructions on using MkDocs for project documentation.
• 👩‍💻 Updated README.md to reflect changes in project organization, emphasizing the src/ directory's role.
• 📦 Introduced pyproject.toml for managing build, packaging, and tool configurations.
• 🧰 Created a new template/ source directory with initial contents, including a placeholder __init__.py with version number and a basic module (module1.py) with a function add_numbers.
• ✅ Added a tests/ directory with guidelines in its README and a test script (test_module1.py) for the add_numbers function.

🎯 Purpose & Impact

• 💻 The Ruff integration enforces a consistent code style automatically, improving readability and maintainability.
• 📘 The docs/ directory, along with MkDocs setup, ensures project documentation remains accessible and up-to-date.
• 🏗️ The template/ source directory defines a clear structure that can be easily scaled and understood by contributors.
• 📚 pyproject.toml centralizes configuration, simplifying the process of building and deploying the project.
• 🧪 The tests/ directory framework encourages thorough testing, which will enhance the reliability of the codebase.