add date filter in widget

 protected function getFormSchema(): array
    {
        return [
            DatePicker::make('date_start')
                ->default(now()->subMonth()),
            DatePicker::make('date_end')
                ->default(now()),
        ];
    }

 protected function getFormSchema(): array
    {
        return [
            DatePicker::make('date_start')
                ->default(now()->subMonth()),
            DatePicker::make('date_end')
                ->default(now()),
        ];
    }