NOISSUE: code cleaning + standard

bat.info.yml

bat.module

js/bat_date_popup.js

modules/bat_booking/bat_booking.info.yml

..._booking/bat_booking_example/bat_booking_example.info.yml

modules/bat_booking/src/Entity/Booking.php

...es/bat_calendar_reference/bat_calendar_reference.info.yml

...t_calendar_reference/bat_calendar_reference.libraries.yml

modules/bat_calendar_reference/js/bat_calendar_reference.js

...in/Field/FieldFormatter/BatCalendarReferenceMonthView.php

...Field/FieldFormatter/BatCalendarReferenceTimelineView.php

modules/bat_event/bat_event.info.yml

modules/bat_event/bat_event.module

modules/bat_event/js/bat_color.js

modules/bat_event/src/Entity/Event.php

modules/bat_event/src/Entity/Form/EventDeleteForm.php

modules/bat_event/src/Entity/Form/EventForm.php

modules/bat_event/src/EventPermissions.php

modules/bat_event/src/Util/EventMaintenance.php

modules/bat_event_series/bat_event_series.info.yml