Update docs site link to whaleshell.github.io.
Point wiki readers at the new documentation site.
Flatten wiki pages to unique EN-/RU- names with a hierarchical sidebar. GitHub Wiki is a flat namespace; nested paths collided, so the tree lives in _Sidebar.
Restructure wiki into nested EN/RU trees with a full sidebar.
Add EN/RU whaleshell documentation wiki with sidebar.
Initial Home page