VSN-2102/ refactor(passenger-schedule): Implement schedule config management API with week templates and exceptions

This merge request includes the following changes:

• Full backend implementation of the schedule configuration system for passengers
• Support for week parity (EVEN/ODD/ALL) with template-based schedule management
• Exception system allowing modification or cancellation of specific dates
• Computed daily schedule endpoint considering templates, parity, and exceptions

Endpoints

• POST /{passengerUuid} — Create a schedule config with name, date range, week type, and day schedules
• GET /{passengerUuid} — Retrieve all schedule configs for a passenger
• GET /uuid/{configUuid} — Retrieve a single schedule config by UUID
• POST /{configUuid}/update — Update a schedule config (name, dates, days)
• POST /{configUuid}/delete — Delete a schedule config
• POST /{configUuid}/week-template — Add a week template (EVEN or ODD)
• POST /{configUuid}/week-template/{weekType}/update — Update a week template (full day replacement)
• POST /{configUuid}/week-template/{weekType}/delete — Delete a week template
• POST /{configUuid}/exceptions — Add an exception (MODIFIED or CANCELLED) for a specific date
• POST /{configUuid}/exceptions/{exceptionUuid}/remove — Remove an exception
• GET /{passengerUuid}/daily?date= — Get computed schedule for a single date
• GET /{passengerUuid}/range?startDate=&endDate= — Get computed schedules for a date range