OTA support encapsulated to ArduinoOTA class

libraries/ArduinoOTA/examples/BasicOTA/BasicOTA.ino

@@ -0,0 +1,31 @@
+#include <ESP8266WiFi.h>
+#include <ESP8266mDNS.h>
+#include <WiFiUdp.h>
+#include <ArduinoOTA.h>
+
+const char* ssid = "...";
+const char* password = "...";
+
+ArduinoOTA ota_server;
+
+void setup() {
+   Serial.begin(115200);
+
+   Serial.println("Booting");
+   WiFi.mode(WIFI_STA);
+
+   /* try the flash stored password first */
+   WiFi.begin();
+
+   while (WiFi.waitForConnectResult() != WL_CONNECTED){
+     WiFi.begin(ssid, password);
+     Serial.println("Retrying connection...");
+  }
+  ota_server.setup();
+  Serial.println("Ready");
+}
+
+void loop() {
+  ota_server.handle();
+  yield();
+}