[Go] support protobuf struct when converting from protbuf to parquet

[tscottcoombes1]

Describe the enhancement requested

Support google/protobuf/struct.proto

Current impl hits a recursion error

Component(s)

Go

[raulcd]

@tscottcoombes1 I've transferred the issue to the Go implementation repository, as you added the Go Component.
Could you add some more details on what the issue is and how to reproduce? Thanks

[tscottcoombes1]

sorry duplicated here, only just noticed it was split #205