Add link to README; add print statement to main

README.md

@@ -23,3 +23,4 @@ Firmware for the CommonSense project.
 
 - If flashing fails after being successful the first time, take a look at this:
   https://users.rust-lang.org/t/probe-rs-fails-to-work-after-first-time-use-successful/103234
+- This may be useful for unit testing: https://crates.io/crates/embedded-test

src/main.rs

@@ -1,6 +1,7 @@
 #![no_std]
 #![no_main]
 
+use defmt::info;
 use embassy_executor::Spawner;
 use embassy_nrf::gpio::{Level, Output, OutputDrive};
 use embassy_time::Timer;
@@ -11,6 +12,8 @@ async fn main(_spawner: Spawner) {
     let p = embassy_nrf::init(Default::default());
     let mut led = Output::new(p.P0_18, Level::Low, OutputDrive::Standard);
 
+    info!("Starting blinky");
+    
     loop {
         led.set_high();
         Timer::after_millis(300).await;