This adds an edit button to the windows setup wizard. This updates also the affected screenshots, where you can see the windws form, in the documentation.
This involves required changes in the nscp-local ITL CheckCommand
definitions. Upgrading NSClient++ therefore requires updating
the Icinga 2 Windows client as well.
fixes#12733
Also apply a new structure.
Deleted the old cluster and client documentation and started "fresh".
This commit also includes various images used in the newly written
"Distributed Monitoring" chapter for better understanding.
fixes#12386