add rahyab notification service

app/Scopes/OrderByIdScope.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace App\Scopes;
+
+use Illuminate\Database\Eloquent\Scope;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Builder;
+
+class OrderByIdScope implements Scope
+{
+    public function apply(Builder $builder, Model $model)
+    {
+        $builder->orderBy($model->getTable().'.id', 'desc');
+    }
+}