README: Update list of board with OTA support

Author: pennam

README.md

@@ -85,7 +85,7 @@ In this case either the device has not been associated with the thing within the
 
 #### OTA
 OTA is supported by the following boards:
-[`MKR WiFi 1010`](https://store.arduino.cc/arduino-mkr-wifi-1010), [`Nano 33 IoT`](https://store.arduino.cc/arduino-nano-33-iot), [`Portenta H7`](https://store.arduino.cc/portenta-h7), [`Nano RP2040 Connect`](https://store.arduino.cc/products/arduino-nano-rp2040-connect), [`Nicla Vision`](https://store.arduino.cc/products/nicla-vision)
+[`MKR WiFi 1010`](https://store.arduino.cc/arduino-mkr-wifi-1010), [`Nano 33 IoT`](https://store.arduino.cc/arduino-nano-33-iot), [`Portenta H7`](https://store.arduino.cc/portenta-h7), [`Nano RP2040 Connect`](https://store.arduino.cc/products/arduino-nano-rp2040-connect), [`Nicla Vision`](https://store.arduino.cc/products/nicla-vision), [`OPTA WiFi`](https://store.arduino.cc/products/opta-wifi), [`OPTA RS485`](https://store.arduino.cc/products/opta-rs485), [`OPTA Lite`](https://store.arduino.cc/products/opta-lite), [`GIGA R1 WiFi`](https://store.arduino.cc/products/giga-r1-wifi), [`Nano ESP32`](https://store.arduino.cc/products/nano-esp32), [`ESP32`](https://github.com/espressif/arduino-esp32/releases/tag/2.0.5)
 
 #### ESP Boards
 Support for ESP boards is obtained through a third-party core with some differences and limitations compared to Arduino boards.