Add scriptblock for Cell Fill Style

Examples/FormatCellStyles/PassInScriptBlock.ps1

@@ -0,0 +1,15 @@
+$RandomStyle = {
+    param(
+        $workSheet,
+        $totalRows,
+        $lastColumn
+    )    
+
+    2..$totalRows | ForEach-Object{
+        Set-CellStyle $workSheet $_ $LastColumn Solid (Write-Output LightGreen Gray Red|Get-Random)
+    }
+}
+
+Get-Process |
+    Select-Object Company,Handles,PM, NPM| 
+    Export-Excel $xlfile -Show  -AutoSize -CellStyleSB $RandomStyle