Connect-RPC support?

I have been playing around with the gRPC server, and it looks great.

Any interest in supporting [Connect](https://connectrpc.com/docs/introduction) in addition to gRPC? It is backwardly-compatible with gRPC but also supports the Connect protocol.

Generating connect code using Buf tooling is easy, and so the task here - I think - is to correctly register the Connect service with GoFr. Happy to try it out and see how far I get?

Start by reading GoFr's existing gRPC server registration and the Buf-generated Connect service mentioned in the issue. Determine how the Connect service should be registered alongside gRPC, then verify that both the gRPC and Connect protocols work through the GoFr server.

Written by the indexing model from the issue text.