Document Multisite Toolbar Additions 4.1.0 for single sites and networks
Created _Sidebar (markdown)
Created Changelog Deutsch (markdown)
Created Changelog English (markdown)
Created FAQ Deutsch (markdown)
Created FAQ English (markdown)
Created Deutsch (markdown)
Created English (markdown)
Publish version 4.0 documentation and correct Wiki navigation
Add bilingual documentation for version 4.0.0