Added example

examples/TXRX.pde

@@ -1,21 +0,0 @@
-#include <TelemetryKit.h>
-
-void telemetryKitCallback(char *packet, size_t length) {
-  Serial.print("Received packet: ");
-  Serial.println(packet);
-}
-
-void setup() {
-  Serial.begin(9600);
-  
-  TelemetryKitInit();
-}
-
-void loop() {
-  char msg[] = "Hello world! This is a string to be transmitted.\n";
-  TelemetryKitTransmit(msg, sizeof(msg));
-  
-  while (true) {
-    TelemetryKitPoll();
-  } 
-}