move breadcrumb controller to right dir

port info on server start

lib/src/main.rs

@@ -5,6 +5,7 @@ mod parser;
 #[cfg(feature = "static")]
 mod embed;
 
+use rocket::error::ErrorKind;
 use rocket::serde::json::Json;
 #[cfg(feature = "static")]
 use crate::embed::CustomHandler;
@@ -23,11 +24,18 @@ fn get_disks() -> Json<Vec<Disk>> {
 
 #[rocket::main]
 async fn main() -> Result<(), rocket::Error> {
-    println!("init");
+    println!("init server");
+    println!("access at: http://127.0.0.1:8000/");
     let b = rocket::build();
     let b = b.mount("/api", routes![get_raid_devices, get_disks]);
     #[cfg(feature = "static")]
     let b = b.mount("/", CustomHandler{});
-    let _rocket = b.launch().await?;
+    if let Err(_rocket) = b.launch().await {
+        match _rocket.kind() {
+            ErrorKind::Bind(_) => println!("Bind address already in use!"),
+            e => println!("{}", e.to_string())
+        }
+    }
+
     Ok(())
 }