add swiftpayments from old source

app/Helpers/helpers.php

@@ -8,6 +8,32 @@ use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Log;
 use Stevebauman\Location\Facades\Location;
 
+/**
+ * Application locales
+ *
+ * @return array<string, string>
+ */
+function appLocales(): array
+{
+    return is_array(config('app.locales')) ? config('app.locales') : [];
+}
+
+/**
+ * Modules directory path
+ */
+function modules_path(string $path = ''): string
+{
+    return app_path('Modules/'.$path);
+}
+
+/**
+ * Check if module exists
+ */
+function module_exists(string $module): bool
+{
+    return is_dir(modules_path(ucfirst($module)));
+}
+
 /**
  * Check if a client IP is in our Server subnet
  *