Adding tokio code

src/main.rs

@@ -1,3 +1,10 @@
-fn main() {
-    println!("Hello, world!");
+// TODO: Move this somewhere else
+pub const SECONDS_TO_SLEEP: u64 = 5;
+
+#[tokio::main]
+async fn main() -> Result<(), Box<dyn std::error::Error>> {
+    loop {
+        println!("Do some work");
+        tokio::time::sleep(tokio::time::Duration::from_secs(SECONDS_TO_SLEEP)).await;
+    }
 }