Add files via upload

Author: khoih-prog

README.md

@@ -157,7 +157,7 @@ The catch is **your function is now part of an ISR (Interrupt Service Routine),
 ## Prerequisites
 
 1. [`Arduino IDE 1.8.13+` for Arduino](https://www.arduino.cc/en/Main/Software)
-2. [`ESP32 Core 1.0.4+`](https://github.com/espressif/arduino-esp32) for ESP32-based boards
+2. [`ESP32 Core 1.0.5+`](https://github.com/espressif/arduino-esp32) for ESP32-based boards. [![Latest release](https://img.shields.io/github/release/espressif/arduino-esp32.svg)](https://github.com/espressif/arduino-esp32/releases/latest/)
 
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