More organization - need to use the new flow for probing

peripheral/communication/packets/ack.go

@@ -0,0 +1,22 @@
+package packets
+
+import "esdi/peripheral/communication/constvar"
+
+type AckPacket struct {
+	StartMarker byte
+	AckByte     byte
+	EndMarker   byte
+}
+
+func (pkt *AckPacket) Validate() bool {
+	if pkt.StartMarker != constvar.StartOfText ||
+		pkt.EndMarker != constvar.EndOfText {
+		return false
+	}
+
+	if pkt.AckByte != constvar.ACK {
+		return false
+	}
+
+	return true
+}