docs: initialize wiki with 8 pages - Home: table of contents + demo link - Installation: step-by-step install guide - Quick-Start-Guide: get playing in 5 minutes - Injection-Architecture: 3-path touch injection - Multi-Pointer-MotionEvent: v3 multi-touch fix - Dual-AIDL-Dispatch-Thread: v2 dual thread fix - Evdev-Code-Mapping: full evdev code mapping table - Interaction-Types: 7 interaction types documentation