Added overview of VirtualDesktops config file in README

README.md

@@ -35,6 +35,7 @@ The current structure is:
         .initrc
         .restartrc
         MenuBar
+        VirtualDesktops
         theme/
           System7
           MacOS8
@@ -59,6 +60,10 @@ Contains an `InitFunction` block which can be modified to run commands upon init
 
 Contains a `RestartFunction` block which can be modified to run commands upon init or reload of MLVWM.
 
+### VirtualDesktops
+
+Contains configuration settings for virtual desktops, incl. the number of virtual desktops (default is 1.)
+
 ### MenuBar
 
 Contains the default menu bar configuration. Note: the Apple menu is actually defined in the theme files as some theme-specific settings need to be applied during creation, incl. icons. For this reason, the theme files _must_ be loaded prior to the default menu bar in `.mlvwmrc`.