docs: refresh bilingual wiki and clarify lightweight delivery
docs: rebuild wiki as two separate language sets (EN + ZH) Replace mixed bilingual pages with two independent page sets: - 7 English pages: Home, Getting-Started, CLI-Reference, Concepts, Provider-Architecture, GitLab-Support, Team-Workflow - 7 Chinese pages: same pages with -zh suffix - _Sidebar.md with bilingual navigation Cross-linked home pages in both directions.
docs: bilingual (en/zh) wiki — Home, Getting Started, CLI Reference, Concepts, Provider Architecture, GitLab Support, Team Workflow