v2.8.2

Added

• Added utftex as a renderer for LaTeX math

Fixed

• Only patch prompt_toolkit when an app is launched, not at import
• Ensure all key-bindings are configurable (thanks @matheusfillipe)
• Fix rare bug causing exception when notebook has no cells
• Prevent race condition causing duplicate cells at startup
• Mark notebook as modified when changing cell type
• Prevent ruff formatter deleting buffer contents