v0.6.6

🐛 fix

• grammar: rebuild layout tree when grammar updated
• @visactor/vgrammar: fix unit animation parameters

What's Changed

• fix: fix the animation unit parameters by @purpose233 in #167
• Fix/layout tree by @purpose233 in #171
• Chore/fix prerelease by @xile611 in #172

Full Changelog: v0.6.5...v0.6.6