Update supported hardware platforms in README

triggering CI ...

README.md

@@ -23,7 +23,7 @@
 
 ## Overview
 
-This repository contains the official device firmware for Meshtastic, an open-source LoRa mesh networking project designed for long-range, low-power communication without relying on internet or cellular infrastructure. The firmware supports various hardware platforms, including ESP32, nRF52, RP2040/RP2350, and Linux-based devices.
+This repository contains the official device firmware for Meshtastic, an open-source LoRa mesh networking project designed for long-range, low-power communication without relying on internet or cellular infrastructure. The firmware supports various hardware platforms, including ESP32, nRF52, RP2040/RP2350, STM32, and Linux-based devices.
 
 Meshtastic enables text messaging, location sharing, and telemetry over a decentralized mesh network, making it ideal for outdoor adventures, emergency preparedness, and remote operations.
 

src/main.cpp

@@ -1,3 +1,5 @@
+// Welcome to Meshtastic.
+
 #include "configuration.h"
 #if !MESHTASTIC_EXCLUDE_GPS
 #include "GPS.h"