Added sticker prinitng import and export file

app/Filament/Exports/StickerPrintingExporter.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace App\Filament\Exports;
+
+use App\Models\StickerPrinting;
+use Filament\Actions\Exports\ExportColumn;
+use Filament\Actions\Exports\Exporter;
+use Filament\Actions\Exports\Models\Export;
+
+class StickerPrintingExporter extends Exporter
+{
+    protected static ?string $model = StickerPrinting::class;
+
+    public static function getColumns(): array
+    {
+        static $rowNumber = 0;
+        return [
+            ExportColumn::make('no')
+                ->label('NO')
+                ->state(function ($record) use (&$rowNumber) {
+                    // Increment and return the row number
+                    return ++$rowNumber;
+                }),
+            ExportColumn::make('plant.code')
+            ->label('PLANT CODE'),
+            ExportColumn::make('reference_number')
+            ->label('REFERENCE NUMBER'),
+            ExportColumn::make('serial_number')
+            ->label('SERIAL NUMBER'),
+            ExportColumn::make('created_at')
+            ->label('CREATED AT'),
+            ExportColumn::make('updated_at')
+            ->label('UPDATED AT'),
+            ExportColumn::make('created_by')
+            ->label('CREATED BY'),
+            ExportColumn::make('updated_by')
+            ->label('UPDATED BY'),
+            ExportColumn::make('deleted_at')
+            ->label('DELETED AT')
+            ->enabledByDefault(false),
+        ];
+    }
+
+    public static function getCompletedNotificationBody(Export $export): string
+    {
+        $body = 'Your sticker printing export has completed and ' . number_format($export->successful_rows) . ' ' . str('row')->plural($export->successful_rows) . ' exported.';
+
+        if ($failedRowsCount = $export->getFailedRowsCount()) {
+            $body .= ' ' . number_format($failedRowsCount) . ' ' . str('row')->plural($failedRowsCount) . ' failed to export.';
+        }
+
+        return $body;
+    }
+}