feat:#36 updated feed service with more protobuf endpoints

services/data-manager/service/grpc/mapper.go

@@ -31,3 +31,13 @@ func eventsToProto(events model.Events) []*pb.Event {
 	}
 	return protoEvents
 }
+
+func feedToProto(feed *model.Feed) *pb.Feed {
+	return &pb.Feed{
+		Id:        feed.Id,
+		Created:   feed.Created.String(),
+		Updated:   feed.Updated.String(),
+		Retrieved: feed.Retrieved.String(),
+		Modules:   feed.Modules,
+	}
+}