Form and render elements in Office Hours 8

Primary tabs

Element machine name	Type	Class	Namespace	Description
office_hours_datelist	FormElement	OfficeHoursDatelist	Drupal\office_hours\Element	Provides a one-line text field form element.
office_hours_datetime	FormElement	OfficeHoursDatetime	Drupal\office_hours\Element	Provides a one-line HTML5 time element.
office_hours_list	FormElement	OfficeHoursList	Drupal\office_hours\Element	Provides a one-line text field form element for the List Widget.
office_hours_slot	FormElement	OfficeHoursSlot	Drupal\office_hours\Element	Provides a one-line text field form element for the Week Widget.
office_hours_table	FormElement	OfficeHoursTable	Drupal\office_hours\Element	Provides a render element for a table.