Initial

Takes in a file, process it and output a new file with additional columns.

app/Import/ImportResult.php

@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Import;
+
+final class ImportResult
+{
+    public function __construct(
+        public readonly ?int $batchId,
+        public readonly int $importedRows,
+        public readonly int $warningsCount,
+        public readonly array $warnings,
+        public readonly array $originalHeaders,
+        public readonly array $calculatedHeaders,
+    ) {
+    }
+}