LoRaWAN_End_Node application for STM32WLE5xx

[SWagn.1]

Dear STM32WL community,

I have completed a port of the ST LoRaWAN_End_Node application for use on the STM32WLE5XX as implemented on the RAK Wireless RAK3172 and SEEED Studios LoRa-E5 modules. It is based on the LoRaWAN_End_Node example in the latest (v1.1.0) version of the STM32Cube MCU Package (Sept 2021) from https://www.st.com/en/embedded-software/stm32cubewl.html. The port is available at https://github.com/PrometheanDesign/LoRaWAN_End_Node.

I hope some may find it useful!