Add logScope to connmanager and pubsubprotobuf (#363)

libp2p/connmanager.nim

@@ -13,6 +13,9 @@ import peerinfo,
        stream/connection,
        muxers/muxer
 
+logScope:
+  topics = "connmanager"
+
 declareGauge(libp2p_peers, "total connected peers")
 
 const MaxConnectionsPerPeer = 5

libp2p/protocols/pubsub/rpc/protobuf.nim

@@ -14,6 +14,9 @@ import messages,
        ../../../utility,
        ../../../protobuf/minprotobuf
 
+logScope:
+  topics = "pubsubprotobuf"
+
 proc write*(pb: var ProtoBuffer, field: int, graft: ControlGraft) =
   var ipb = initProtoBuffer()
   ipb.write(1, graft.topicID)