adds mac adress code to arduino folder

arduino/mac_adress.ino

@@ -0,0 +1,13 @@
+// Complete Instructions to Get and Change ESP MAC Address: https://RandomNerdTutorials.com/get-change-esp32-esp8266-mac-address-arduino/
+#include <WiFi.h>
+
+void setup(){
+  Serial.begin(115200);
+  Serial.println();
+  Serial.print("ESP Board MAC Address:  ");
+  Serial.println(WiFi.macAddress());
+}
+ 
+void loop(){
+
+}