add example

examples/encode/main.go

@@ -0,0 +1,28 @@
+package main
+
+import (
+	"fmt"
+
+	freeD "github.com/jwetzell/free-d-go"
+)
+
+func main() {
+
+	freeDMessage := freeD.FreeDPosition{
+		ID:    0xff,
+		Pan:   -10.1,
+		Tilt:  20.2,
+		Roll:  3.33,
+		PosX:  1.11,
+		PosY:  2.22,
+		PosZ:  3.33,
+		Zoom:  1000,
+		Focus: 2000,
+	}
+
+	freeDBytes := freeD.Encode(freeDMessage)
+
+	println("send packet somehow")
+	fmt.Printf("%v\n", freeDBytes)
+
+}