feat: update with web assembly components

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/churn/src/agent.rs

@@ -12,6 +12,7 @@ mod config;
 mod discovery_client;
 mod event_handler;
 mod grpc_client;
+mod plugins;
 mod queue;
 mod refresh;
 mod scheduler;