add: Create public function for merge

source/Private/Update-WorksheetCells.ps1

@@ -0,0 +1,28 @@
+        function Update-WorksheetCells {
+            param (
+                $Worksheet,
+                $Data,
+                $StartingRowIndex
+            )
+
+            # Check and set headers
+            $firstItem = $Data[0]
+            $colIndex = 1
+            foreach ($property in $firstItem.PSObject.Properties) {
+                if ($StartingRowIndex -eq 2 -and $Worksheet.Cells[1, $colIndex].Value -eq $null) {
+                    $Worksheet.Cells[1, $colIndex].Value = $property.Name
+                }
+                $colIndex++
+            }
+
+            # Iterate over each row in the data and update cells
+            $rowIndex = $StartingRowIndex
+            foreach ($item in $Data) {
+                $colIndex = 1
+                foreach ($property in $item.PSObject.Properties) {
+                    $Worksheet.Cells[$rowIndex, $colIndex].Value = $property.Value
+                    $colIndex++
+                }
+                $rowIndex++
+            }
+        }