copy over entity configs for event content type from config/sync

.../optional/core.entity_form_display.node.event.default.yml

.../optional/core.entity_view_display.node.event.default.yml

...g/optional/core.entity_view_display.node.event.teaser.yml

config/optional/field.field.node.event.field_end_date.yml

config/optional/field.field.node.event.field_start_date.yml

config/optional/field.storage.node.field_end_date.yml

config/optional/field.storage.node.field_start_date.yml