Hi, I try to use ToSchema derive with `chrono::WeekDay`, but return error ``` the trait bound `chrono::Weekday: utoipa::ToSchema` is not satisfied the following other types implement trait `utoipa::ToSchema` ``` Looks like chrono::Weekday not supported yet so I may create PR to add support like below PR? #404 Or let me know if there is an another way for this.