examples todo-actix can't run

[zhengpanone]

I copied the todo-actix demo, but it couldn't run. Cargo build couldn't be compiled. The error was unexpected attribute, expected any of: handlers, components, modifiers, security, tags, external_docs, servers, no function or associated item named openapi found for struct ApiDoc in the current scope

[LucasOe]

The nest attribute has been added in the 5.0.0-alpha version. The LTS is still 4.3.2, that's why you can't use it.

[BimaAdi]

@zhengpanone try use example based on your utoipa version, by changing tag on github repo