[RTduino][stm32f410-nucleo] add English readme
## 1 RTduino - Arduino Ecosystem Compatibility Layer for RT-Thread
-STM32F401 Nucleo board has support [RTduino](https://github.com/RTduino/RTduino). Users can use Arduino APIs, third party libraries and programming method to program on Blue Pill board.
+STM32F401 Nucleo board has support [RTduino](https://github.com/RTduino/RTduino). Users can use Arduino APIs, third party libraries and programming method to program on the board.
### 1.1 How to Enable RTduino
