feat(iroh): add missing gossip reexports (#2479)

## Description

Otherwise the api is painful to work with

## Breaking Changes

<!-- Optional, if there are any breaking changes document them,
including how to migrate older code. -->

## Notes & open questions

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## Change checklist

- [ ] Self-review.
- [ ] Documentation updates following the [style
guide](https://rust-lang.github.io/rfcs/1574-more-api-documentation-conventions.html#appendix-a-full-conventions-text),
if relevant.
- [ ] Tests if relevant.
- [ ] All breaking changes documented.

iroh/src/client/gossip.rs

@@ -19,7 +19,7 @@ use iroh_gossip::proto::TopicId;
 use iroh_net::NodeId;
 use ref_cast::RefCast;
 
-use crate::rpc_protocol::gossip::{SubscribeRequest, SubscribeResponse, SubscribeUpdate};
+pub use crate::rpc_protocol::gossip::{SubscribeRequest, SubscribeResponse, SubscribeUpdate};
 
 use super::RpcClient;
 

iroh/src/lib.rs

@@ -90,6 +90,8 @@ pub use iroh_blobs as blobs;
 #[doc(inline)]
 pub use iroh_docs as docs;
 #[doc(inline)]
+pub use iroh_gossip as gossip;
+#[doc(inline)]
 pub use iroh_net as net;
 
 pub mod client;