Adding calibrated read example

Author: madhephaestus

examples/ESP32AnalogReadTest/ESP32AnalogReadTest.ino

@@ -0,0 +1,14 @@
+#include "Arduino.h"
+#include <ESP32AnalogRead.h>
+ESP32AnalogRead adc;
+void setup()
+{
+	adc.attach(33);
+	Serial.begin(115200);
+}
+
+void loop()
+{
+	delay(50);
+	Serial.println("Voltage = "+String(adc.readVoltage()));
+}