v0.4.2 — Auto-register Jupyter Server Extension

What's New

Zero-config JupyterLab integration — pip install sqlnbfmt jupyterlab-code-formatter now just works. No manual config file editing needed.

Added

• Jupyter server extension that auto-registers sqlnbfmt with jupyterlab-code-formatter on startup

Changed

• Build system switched from setuptools to hatchling
• JupyterLab docs updated to use modern jupyter_server_config.py

Full Changelog: v0.4.1...v0.4.2