publish libraries to avoid users to have to download them one by one

lib/esp8266_mdns/examples/simple/simple.ino

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+/*
+ * This sketch will display mDNS (multicast DNS) data seen on the network.
+ */
+
+
+#include "mdns.h"
+
+
+// When an mDNS packet gets parsed this callback gets called.
+void packetCallback(const mdns::MDns* packet){
+  packet->Display();
+  packet->DisplayRawPacket();
+}
+
+// When an mDNS packet gets parsed this callback gets called once per Query.
+// See mdns.h for definition of mdns::Query.
+void queryCallback(const mdns::Query* query){
+  query->Display();
+}
+
+// When an mDNS packet gets parsed this callback gets called once per Query.
+// See mdns.h for definition of mdns::Answer.
+void answerCallback(const mdns::Answer* answer){
+  answer->Display();
+}
+
+// Initialise MDns. If you don't want the optioanl callbacks, just provide a NULL pointer.
+mdns::MDns my_mdns(packetCallback, queryCallback, answerCallback);
+
+void setup() {
+  // Open serial communications and wait for port to open:
+  Serial.begin(115200);
+
+  // setting up Station AP
+  WiFi.begin("your_WiFI_SSID", "your_WiFi_password");
+
+  // Wait for connect to AP
+  int tries = 0;
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+    tries++;
+    if (tries > 30) {
+      break;
+    }
+  }
+  printWifiStatus();
+  Serial.println();
+}
+
+unsigned int last_packet_count = 0;
+void loop() {
+  my_mdns.loop();
+
+#ifdef DEBUG_STATISTICS
+  // Give feedback on the percentage of incoming mDNS packets that fitted in buffer.
+  // Useful for tuning the buffer size to make best use of available memory.
+  if(last_packet_count != my_mdns.packet_count && my_mdns.packet_count != 0){
+    last_packet_count = my_mdns.packet_count;
+    Serial.print("mDNS decode success rate: ");
+    Serial.print(100 - (100 * my_mdns.buffer_size_fail / my_mdns.packet_count));
+    Serial.print("%\nLargest packet size: ");
+    Serial.println(my_mdns.largest_packet_seen);
+  }
+#endif
+}
+
+void printWifiStatus() {
+  // print the SSID of the network you're attached to:
+  Serial.println();
+  Serial.print("SSID: ");
+  Serial.println(WiFi.SSID());
+
+  // print your WiFi shield's IP address:
+  IPAddress ip = WiFi.localIP();
+  Serial.print("IP Address: ");
+  Serial.println(ip);
+}