Add full documentation: EN + RU wiki pages and navigation sidebar Move the deep documentation out of the project READMEs into structured wiki pages, each with an English page and a mirrored Russian (-RU) counterpart: Home, Getting-Started, Controls, Rendering-and-Lighting, Physics, Cameras-and-HUD, World-Format, Textures, Multiplayer, GPU-Renderer, Self-Tests, and Project-Structure. Add a _Sidebar with Documentation (EN) and Документация (RU) sections.

Jareltis committed Jul 6, 2026