add function to manage taskbar item

changed from manually setting the taskbar overlay, progressvalue and progress state to setting them through a function

functions/private/Install-WinUtilProgramChoco.ps1

@@ -80,7 +80,7 @@ function Install-WinUtilProgramChoco {
             }
 	}
         $x++
-        # $sync["Form"].TaskbarItemInfo.ProgressValue = $x/$count
+        # Set-WinUtilTaskbaritem -state "Normal" -value $x/$count
     }
     Write-Progress -Activity "$manage Applications" -Status "Finished" -Completed