Updated User Guide: Manager APIs (markdown)
Updated User Guide: Realms, users and roles (markdown)
Updated _Sidebar (markdown)
Updated User Guide: Create realms, users and roles (markdown)
Updated Architecture: Security (markdown)
Updated User Guide: Using OAuth (markdown)
Updated User Guide: Manager UI (markdown)
Created User Guide: Manager UI (markdown)
Updated User Guide: Velbus TCP IP Agent (markdown)