Fix donation link anchor
Add donation link to FAQ
Add complete CyberClock wiki Comprehensive documentation covering all features: - Home (navigation hub) - Clock (analog, digital, display options) - Calendar (month view, agenda, notes, moon phase) - Timer (countdown, presets, progress) - Stopwatch (lap tracking, statistics) - Relaxation (ambient sounds, breathing, tips) - Alarms & Chimes (chimes, custom alarms) - Mini Mode (compact clock bar, skins) - Themes (5 neon skins) - Settings (all configurable options) - Keyboard Shortcuts (complete reference) - Installation & Setup (install, build, auto-start) - FAQ (troubleshooting)