add example

examples/decode/main.go

@@ -0,0 +1,22 @@
+package main
+
+import (
+	"log/slog"
+
+	freeD "github.com/jwetzell/free-d-go"
+)
+
+func main() {
+
+	messageBytes := []byte{0xd1, 0x01, 0x5a, 0x00, 0x00, 0x2d, 0x00, 0x00, 0xa6, 0x00, 0x00, 0x7f, 0xff, 0x40, 0x7f, 0xff, 0x80, 0x7f, 0xff,
+		0xc0, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x00, 0x00, 50,
+	}
+
+	decoded, err := freeD.Decode(messageBytes)
+	if err != nil {
+		slog.Error("error decoding", "err", err)
+	}
+
+	slog.Info("decoded", "message", decoded)
+
+}