building.md

 <!-- --- title: Building from source -->
 
 [![home](/icons/home.svg "wiki home")](/home)
+[![config](/icons/tool.svg "config")](/configuring)
 [![modules](/icons/layers.svg "modules")](/modules)
 [![packages](/icons/package.svg "packages")](/precompiled)
 [![repos](/icons/gitlab.svg "repos")][all-repos]