New version of iRelay firmware (6.5.8)

The old Blynk legacy app has been removed and support for the new Blynk IOT app has been added.

Nautilis Oled thermometer firmware upgrade (6.2.1), (6.2.2), (6.2.3) and (6.2.4)

In the new updates, a new Blynk IOT application has been added and the WiFi connection has been improved.