Added category column for items masters

app/Filament/Imports/ItemImporter.php

@@ -17,6 +17,11 @@ class ItemImporter extends Importer
     public static function getColumns(): array
     {
         return [
+            ImportColumn::make('category')
+                ->requiredMapping()
+                ->exampleHeader('Category')
+                ->example('Submersible Motor')
+                ->label('Category'),
             ImportColumn::make('code')
                 ->requiredMapping()
                 ->exampleHeader('Item Code')
@@ -78,6 +83,7 @@ class ItemImporter extends Importer
                 'plant_id' => $plant->id
             ],
             [
+                'category' => $this->data['category'],
                 'description' => $this->data['description'],
                 'hourly_quantity' => $this->data['hourly_quantity'],
                 'uom' => $this->data['uom']