feat(basicdata): tambahkan helper format_currency

- Menambahkan file helper `Currency.php` untuk format mata uang.
- Menyediakan fungsi `format_currency` yang mendukung parameter angka dan kode mata uang.
- Memperbarui `module.json` untuk memuat file helper secara otomatis.

app/Helpers/Currency.php

@@ -0,0 +1,12 @@
+<?php
+
+    use Modules\Basicdata\Models\Currency;
+
+    if(!function_exists('format_currency')) {
+        function format_currency($number, $currency = 'IDR') {
+            $currency = Currency::where('code', $currency)->first();
+            $symbol = $currency->symbol?? '';
+
+           return $symbol . ' ' . number_format($number, $currency->decimal_places, ',', '.');
+        }
+    }

module.json

@@ -8,7 +8,9 @@
     "providers": [
         "Modules\\Basicdata\\Providers\\BasicdataServiceProvider"
     ],
-    "files": [],
+    "files": [
+        "app/Helpers/Currency.php"
+    ],
     "menu": {
         "main": [],
         "master": [