Invoice PAIN & CSV can be uploaded

app/Providers/FileWriteProvider.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Providers;
+
+use Illuminate\Support\Facades\Storage;
+
+class FileWriteProvider {
+    public string $fileName;
+    public string $fileContent;
+
+    public function __construct(string $fileName, string $fileContent) {
+        $this->fileName = $fileName;
+        $this->fileContent = $fileContent;
+    }
+
+    public function writeToFile() {
+        Storage::disk('local')->put($this->fileName, $this->fileContent);
+    }
+}