Summary
My understanding is that ELK Stack is not working right now
* [REST API](operate/rest_apis.md)
* [TOSCA](xos-tosca/README.md)
Not targeted at operators; about internal development
this workflow has been added to install_virtual.md
* [Example Service](xos/example_service.md)
* [Configuring XOS](xos/modules/xosconfig.md)
* [GUI Development](xos-gui/developer/README.md)
* [Quickstart](xos-gui/developer/quickstart.md)
* [Tests](xos-gui/developer/tests.md)
* [GUI Extensions](xos-gui/developer/gui_extensions.md)
* [GUI Internals](xos-gui/architecture/README.md)
* [Module Strucure](xos-gui/architecture/gui-modules.md)
* [Data Sources](xos-gui/architecture/data-sources.md)