Added missing import in example scope

Author: stevebauman

docs/auth/importing.md

@@ -116,6 +116,7 @@ The custom scope:
 namespace App\Scopes;
 
 use Illuminate\Support\Str;
+use Adldap\Laravel\Facades\Resolver;
 use Adldap\Laravel\Commands\UserImportScope as BaseScope;
 
 class LdapUserImportScope extends BaseScope