simplyfied layout

src/main.rs

@@ -1,11 +1,11 @@
-#![no_main]
 #![no_std]
+#![no_main]
 
-use wspr_beacon as _; // global logger + panicking-behavior + memory layout
+use wspr_beacon::exit;
 
 #[cortex_m_rt::entry]
 fn main() -> ! {
     defmt::info!("Hello, world!");
 
-    wspr_beacon::exit()
+    exit()
 }