UI-O-Matic ships with a default dashboard, you can display the icon and count of items for each of your models by setting the parameter ShowOnSummaryDashboard to true on the UIOMatic attribute

[UIOMatic("people","People","Person", 
    FolderIcon = "icon-users", 
    ItemIcon = "icon-user",
    ShowOnSummaryDashboard = true )]

Example