This commit moves the code from website_event_questions to
website_event and from website_event_crm_questions to
website_event_crm module.
Task-3056380
Part-of: odoo/odoo#112164
Odoo modules without `__init__.py` are not recognized as python modules
and therefore not packaged by standard tools.
X-original-commit: 45e14adb2fbe9c61f0f529c33cc1ec3ad35114e1