0.2.2

Changed

• Make error documentation more precise and add error handling section.
• Use LazyLock instead of Lazy from once_cell in examples.
• Document features and mark them as experimental/work-in-progress.

Added

• Add an example showing a custom registry implementation that ignores
  duplicate registrations.

0.2.1

Fixed

• Prevent infinite recursion by checking that trait objects implement erased_serde::Serialize, using the same trick
  from the erased_serde::serialize_trait_object macro.