v1.1.98 - Per-Key Customization Fixes

FIXED: Per-key short swipe customization
- Event commands now work (settings, clipboard, voice, numeric)
- Editing commands now work (replaceText, textAssist)
- Icon characters render correctly (was showing Chinese)
- Custom sublabel icons match built-in icon sizes

DOCS: Comprehensive README update
- Multi-language swipe typing guide (11 languages)
- Per-key customization docs (204+ commands)
- Custom language pack creation scripts
- Updated comparison table
