add basic receive example

examples/receive/main.go

@@ -0,0 +1,46 @@
+package main
+
+import (
+	"fmt"
+	"net"
+
+	"github.com/jwetzell/artnet-go"
+)
+
+func main() {
+	s, err := net.ResolveUDPAddr("udp4", ":6454")
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	connection, err := net.ListenUDP("udp4", s)
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	defer connection.Close()
+	buffer := make([]byte, 1024)
+
+	if err != nil {
+		panic(err)
+	}
+
+	for {
+		bytesRead, _, err := connection.ReadFromUDP(buffer)
+
+		if err != nil {
+			panic(err)
+		}
+
+		packet, err := artnet.Decode(buffer[0:bytesRead])
+
+		if err != nil {
+			fmt.Println(err)
+			continue
+		}
+
+		fmt.Printf("%+v\n", packet)
+	}
+}