[REF] hr-luncheon-voucher: rename add-on in hr_luncheon_voucher

to respect OCA guidelines

hr_luncheon_voucher/models/__init__.py

@@ -0,0 +1,7 @@
+# -*- coding: utf-8 -*-
+
+from . import calendar_event_type
+from . import hr_employee
+from . import hr_lv_allocation
+from . import res_company
+from . import res_config_settings