feat(scheduler): Add simple tokio-cron-scheduler job (#21)

Just an example of what our celery-beat style task might look like

Cargo.toml

@@ -9,6 +9,7 @@ edition = "2021"
 anyhow = "1.0.66"
 clap = { version = "4.4.6" }
 tokio = { version = "1.28.0", features = ["macros", "sync", "tracing", "signal", "rt-multi-thread"] }
+tokio-cron-scheduler = "0.10.2"
 
 [profile.release]
 lto = true

src/cli.rs

@@ -1,15 +1,15 @@
 use std::io;
 
-use crate::cliapp::make_app;
-
 use tokio::signal::ctrl_c;
 
+use crate::{cliapp::make_app, scheduler::run_scheduler};
+
 pub async fn execute() -> io::Result<()> {
     let app = make_app();
     let matches = app.get_matches();
 
     if let Some(_matches) = matches.subcommand_matches("run") {
-        println!("Hello uptime. I am doing nothing. ^C to exit");
+        run_scheduler().await.expect("Failed to run scheduler");
         ctrl_c().await
     } else {
         unreachable!();