IDE 2.0.104 VM 392

VM
 - Add experimental PWM audio oput using ledc on ESP32 boards
 - Fix: Using the "light level" block made pin 1 no longer work as an output pin on nRF52 boards such as micro:bit V2 and Calliope mini V3

Libraries
 - KidsIOT: Add blocks for I2C Dual Motor Controller
 - External Displays: Add 'send OLED commands' block (advanced). Allows initialization of uncommon OLED display types