Support Kotlin Native with Zephyr

**Support Kotlin Native with Zephyr**

URL for references:
https://kotlinlang.org/docs/tutorials/native/using-command-line-compiler.html
https://github.com/JetBrains/kotlin-native/blob/master/samples/zephyr/src/main.kt

Kotlin native support from several years ago the STM32 board as first example:

- Support first embedded target (STM32 board)
- STM32 blinky demo in pure Kotlin/Native