Add doc-specific example and add it to CI

docs/modules/ROOT/examples/basic/src/main.rs

@@ -0,0 +1,30 @@
+#![no_std]
+#![no_main]
+#![feature(type_alias_impl_trait)]
+
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
+use defmt::*;
+
+use embassy::executor::Spawner;
+use embassy::time::{Duration, Timer};
+use embassy_nrf::gpio::{Level, Output, OutputDrive};
+use embassy_nrf::Peripherals;
+use embedded_hal::digital::v2::OutputPin;
+
+#[embassy::task]
+async fn blinker(mut led: Output<'static, P0_13>, interval: Duration) {
+    loop {
+        unwrap!(led.set_high());
+        Timer::after(interval).await;
+        unwrap!(led.set_low());
+        Timer::after(interval).await;
+    }
+}
+
+#[embassy::main]
+async fn main(spawner: Spawner, p: Peripherals) {
+    let led = Output::new(p.P0_13, Level::Low, OutputDrive::Standard);
+    unwrap!(spawner.spawn(blinker(led, Duration::from_millis(300))));
+}