[feature] Add support for caminoi::Utf8PathBuf

[AzHicham]

Hello,

Thank you for you work.
Would it be possible to add under a feature flag support for camino::Utf8Path ?

I can create the PR if you want.

[rlebran]

Hi !

I see multiple ways of doing it (works for any type really):

• adding it in both schemars and apistos (might take some times)
• adding it in apistos only using the ApiType derive macro combined with the TypedSchema trait (never been made inside apistos before but we can have a look at it)
• adding it in apistos only by creating a new type around it and manually implementing JsonSchema for it as well as ApiComponent which means this new type would be the one apistos consumer would have to use
• implement support for it in your codebase only using one of the 2 methods above

I would love to see a PR if you pick the second or the third method !

[AzHicham]

Thank you for your answer.
I'll try to work on it :)