add IL type, gossip kind, and pubsub message

beacon_node/network/src/router.rs

@@ -542,6 +542,9 @@ impl<T: BeaconChainTypes> Router<T> {
                             bls_to_execution_change,
                         ),
                 ),
+            PubsubMessage::InclusionList(il) => {
+                // TODO
+            }
         }
     }