added ESP8266 Arduino IDE blink example

added ESP8266 Arduino IDE blink example

ESP8266ArduinoIDE/Blink/Blink.ino

@@ -0,0 +1,29 @@
+/*
+  Blink
+  Turns on an LED on for one second, then off for one second, repeatedly.
+
+  Most Arduinos have an on-board LED you can control. On the Uno and
+  Leonardo, it is attached to digital pin 13. If you're unsure what
+  pin the on-board LED is connected to on your Arduino model, check
+  the documentation at http://arduino.cc
+
+  This example code is in the public domain.
+
+  modified 8 May 2014
+  by Scott Fitzgerald
+ */
+
+
+// the setup function runs once when you press reset or power the board
+void setup() {
+  // initialize digital pin 13 as an output.
+  pinMode(2, OUTPUT);
+}
+
+// the loop function runs over and over again forever
+void loop() {
+  digitalWrite(2, HIGH);   // turn the LED on (HIGH is the voltage level)
+  delay(1000);              // wait for a second
+  digitalWrite(2, LOW);    // turn the LED off by making the voltage LOW
+  delay(1000);              // wait for a second
+}