docs: remove deprecated Server mode and sync wiki with code - Remove Server-Deployment pages (Server mode is deprecated) - Core Proxy Modes: 5 modes per code (Transparent, MITM, QUIC, TLS-RF, Migration); drop Server/WARP sections (WARP is not a GUI mode; usque.exe is never launched by the app) - Custom Rules Guide: IP-blocked advice now points to subscription nodes / upstream address instead of Server mode - Fix mode lists on Home, FAQ suggestions, GUI upstream field and Sidebar
docs: add Core-Proxy-Modes, Auto-Routing, Custom-Rules, GUI-Configuration, Certificate, Server-Deployment and FAQ pages (zh/en)
docs: initial wiki with Home, Usage Guide, CLI Reference and Code Structure (zh/en)