Initial support for importing supplier costs

app/Models/Policies/CostPolicy.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Models\Policies;
+
+use Illuminate\Auth\Access\HandlesAuthorization;
+
+use App\Models\{Cost,User};
+
+class CostPolicy
+{
+	use HandlesAuthorization;
+
+	public function view(User $uo,Cost $co): bool
+	{
+		return $uo->isWholesaler();
+	}
+}