Continued scaffolding and interface definitions

services/data_service/internal/node/io.go

@@ -5,10 +5,10 @@ import (
 	"gitlab.michelsen.id/phillmichelsen/tessera/services/data_service/internal/domain"
 )
 
-type In interface {
+type Receiver interface {
 	Receive() (port string, message domain.Message, ok bool)
 }
 
-type Out interface {
+type Sender interface {
 	Send(port string, message domain.Message) error
 }