feat: display broadcast user name

src/main/java/fr/insa/clavardator/MainApp.java

@@ -43,9 +43,9 @@ public class MainApp extends Application {
 		netDiscoverer = new NetDiscoverer();
 
 		// Network discovery test
-		netDiscoverer.startDiscoveryListening("Yohan", null, Throwable::printStackTrace);
+		netDiscoverer.startDiscoveryListening("Bob", null, Throwable::printStackTrace);
 		netDiscoverer.discoverActiveUsers("Broadcast",
-				(ipAddr, data) -> System.out.println("User detected at address : " + ipAddr.toString()),
+				(ipAddr, data) -> System.out.println("User detected at address : " + ipAddr.toString() + " with name " + data),
 				Throwable::printStackTrace);
 
 		// TCP communnication tests