Add recordsPerPage config in the config_list.yaml (#185)

* Add recordsPerPage config in the config_list.yaml

In a big table with many records we get out off memory and can't rander the page without a limit of records per page.

* Update DefaultBehaviorDesignTimeProvider.php

widgets/DefaultBehaviorDesignTimeProvider.php

@@ -130,6 +130,7 @@ protected function getListControllerDefaultConfiguration($controllerModel, $cont
             'noRecordsMessage' => 'backend::lang.list.no_records',
             'showSetup' => true,
             'showCheckboxes' => true,
+            'recordsPerPage' => 20,
             'toolbar' => [
                 'buttons' => 'list_toolbar',
                 'search' => [
@@ -186,4 +187,4 @@ protected function getControllerlUrl($pluginCodeObj, $controller)
     {
          return $pluginCodeObj->toUrl().'/'.strtolower($controller);
     }
-}
+}