Update README.md

Author: nopnop2002

stm32g431/README.md

@@ -1,4 +1,7 @@
 # stm32g431
+It also works with the following STM32F4 series.   
+- STM32G431   
+- STM32G441   
 ![Image](https://github.com/user-attachments/assets/85013bac-8e1e-45eb-aa72-3b504fa7d8a0)   
 I based this on [this](https://github.com/pierremolinaro/acanfd-stm32).