shift Get method to only key/value modules add Set method to redis.client

internal/module/midi-input.go

@@ -89,12 +89,3 @@ func (mi *MIDIInput) Output(ctx context.Context, payload any) error {
 func (mi *MIDIInput) Stop() {
 	mi.cancel()
 }
-
-func (mi *MIDIInput) Get(key string) (any, error) {
-	switch key {
-	case "port":
-		return mi.Port, nil
-	default:
-		return nil, errors.New("midi.input key not found")
-	}
-}