appand new position for 3 position in harim and need dependency

app/Enums/HarimTraffic.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Enums;
+
+enum HarimTraffic : string
+{
+    case SABOK = 'سبک';
+    case MOTEVASET = 'متوسط';
+    case SANGIN = 'سنگین';
+
+
+
+    public function amount(): float
+    {
+        return match ($this) {
+            self::SABOK => 1.0,
+            self::MOTEVASET => 1.5,
+            self::SANGIN => 2.0,
+        };
+    }
+}
+