Adds a public events endpoint that allows read-only access to all events.
Improves ticket management by adding support for user IDs as an identifier, alongside name and email.
This simplifies ticket creation for authenticated users and enhances security.
Also introduces an API endpoint to fetch tickets by user ID.
* escape name
* add email pydantic validation (API)
* format prettier
* don't allow slash on email also
* make regex const
* use string literals
* make get ticket a POST
* email regex
Co-authored-by: Vlad Stan <stan.v.vlad@gmail.com>
