docs: sync wiki with 0.2.1 hardening and hotplug changes - input hotplug, SYN_DROPPED resync, and state-rebuild conditions - matugen: runtime CLI resolution, strict explicit paths, static fallback for unknown roles, preview forwarding, template setup - fuzzel include recursion with cycle/depth guards in the GUI menu - typing-display privacy modes and layout caveats - overlay/preview lock interplay, preview reaping and fallback window - CLI validation semantics (--config must exist, --xdg lookup order) - test baseline 95 -> 118 and expanded make check targets
Update documentation for Seekey 0.2.1
Fix zh-CN wiki links: use English slugs so they resolve to existing pages
Add Chinese (zh-CN) translations of all pages + language switcher