update README.md to reference Qt Socket example and add description f…

…or the example

examples/README.md

@@ -3,7 +3,9 @@
 - [Boost.Asio](boost_asio)
     - It currently has client and server examples for UDP protocol. Client sends different types of messages to server
       via same port. Server receives the messages, deserializes them based on their type and prints them to the console.
-- [Qt Network]() _(coming soon)_
+- [Qt Sockets](qt_socket)
+    - It currently has Qt `UdpCommunicator` class that receives messages from a UDP socket and `UdpCommunicator::sendMessage(..` method that
+      sends messages to given host and port via UDP socket.
 - [Raw Sockets]() _(coming soon)_
 
 ## License