v0.3.0

Added

• Optional encoded output via runTransformer(input, rules, { encoding }) with OutputEncoding enum:
  • JsonPretty (default), JsonCompact, and Toon (via @byjohann/toon).
• OutputEncodingDescription map for UI labels.
• TOON support with helpers: encodeToToon, defaultToonOptions.
• Re-exported EncodeOptions for TOON configuration.

Full Changelog: v0.2.0...v0.3.0