new feature: support metadata in go binding

[Ns2Kracy]

Feature Description

Maybe this can be achieved with purego.

Problem and Solution

The README says that support for c bindings is needed, and the understanding is that cgo is not wanted so it is not implemented. Maybe this can be achieved with purego.

Additional Context

No response

Are you willing to contribute to the development of this feature?

• Yes, I am willing to contribute to the development of this feature.