Added delete last category exception class

app/Exceptions/Settings/LastCategoryDelete.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Exceptions\Settings;
+
+use Exception;
+use Throwable;
+
+class LastCategoryDelete extends Exception
+{
+    /*
+        100000000   => Akaunting charecters 
+        800         => Setting category menu number  
+        40          => CRUD (last item)
+        1           => First authorized exception
+
+        Code: 100000841
+    */
+    public function __construct(string $message = '', int $code = 100000841, Throwable|null $previous = null)
+    {
+        parent::__construct($message, $code, $previous);
+    }
+}