v0.20.0

Changelog

• b7fc63c ci: Fix Snyk directory naming issue
• b6f825e ci: Synk integration
• e1275c0 feat: Include fonts in build. Closes #121
• 1f1e98f fix: Don't crash on empty boxes; treat as empty-string h2oai/h2oai#31157
• 45b2d67 fix: make setup fails on macOS, fixes #112