How to add resorce to mene tool?

i want to add to the menu laravel nova 4 tool. First i create Tool , second create Resource. How to add resource to menu?

In a class omegle.2yu.co ToolServiceProvider extends ServiceProvider In public function boot()

Nova::resources([ NovaPage::class, ]) ;

But Tool.vue show https://omegle.love empty submenu - blackhole