Initial commit of inheritance config entity

config/schema/field_inheritance.schema.yml

...recurring_events_registration/src/NotificationService.php

recurring_events.links.action.yml

recurring_events.links.task.yml

recurring_events.services.yml

src/Entity/FieldInheritance.php

src/Entity/FieldInheritanceInterface.php

src/FieldInheritanceFactory.php

src/FieldInheritanceHtmlRouteProvider.php

src/FieldInheritanceListBuilder.php

src/FieldInheritancePluginManager.php

src/Form/FieldInheritanceDeleteForm.php

src/Form/FieldInheritanceForm.php