feat: adds trace events to server

src/bin/server.rs

@@ -1,9 +1,13 @@
 use clap::Clap;
 use mini_redis::{server, DEFAULT_PORT};
-use std::io;
+use anyhow::{anyhow, Result};
 
 #[tokio::main]
-pub async fn main() -> io::Result<()> {
+pub async fn main() -> Result<()> {
+    // enable logging
+    // see https://docs.rs/tracing for more info
+    tracing_subscriber::fmt::try_init().map_err(|e| anyhow!("{:?}", e))?;
+    
     let cli = Cli::parse();
     let port = cli.port.unwrap_or(DEFAULT_PORT.to_string());
     server::run(&port).await