chore: adding more logs

Signed-off-by: Simon Paitrault <simon.paitrault@gmail.com>

crates/topos-p2p/src/behaviour/gossip.rs

@@ -34,9 +34,15 @@ impl Behaviour {
     ) -> Result<MessageId, P2PError> {
         match topic {
             TOPOS_GOSSIP | TOPOS_ECHO | TOPOS_READY => {
-                let msg_id = self.gossipsub.publish(IdentTopic::new(topic), message)?;
+                let topic = IdentTopic::new(topic);
+                let topic_hash = topic.hash();
+                let msg_id = self.gossipsub.publish(topic, message)?;
                 trace!("Published on topos_gossip: {:?}", msg_id);
 
+                for p in self.gossipsub.mesh_peers(&topic_hash) {
+                    debug!("Sent gossipsub message({}) to {} peer", msg_id, p);
+                }
+
                 Ok(msg_id)
             }
             _ => Err(P2PError::InvalidGossipTopic(topic)),