cli: Log connection errors during dx serve in desktop apps (#1515)

* cli: Log connection errors during `dx serve` in desktop apps

* add a note about the dioxus CLI

---------

Co-authored-by: Evan Almloff <evanalmloff@gmail.com>

packages/cli/src/server/desktop/mod.rs

@@ -124,7 +124,8 @@ async fn start_desktop_hot_reload(hot_reload_state: HotReloadState) -> Result<()
                 let _ = local_socket_stream.set_nonblocking(true);
                 move || {
                     loop {
-                        if let Ok(mut connection) = local_socket_stream.accept() {
+                        match local_socket_stream.accept() {
+                            Ok(mut connection) => {
                                 // send any templates than have changed before the socket connected
                                 let templates: Vec<_> = {
                                     file_map
@@ -146,6 +147,12 @@ async fn start_desktop_hot_reload(hot_reload_state: HotReloadState) -> Result<()
                                 channels.lock().unwrap().push(connection);
                                 println!("Connected to hot reloading 🚀");
                             }
+                            Err(err) => {
+                                if err.kind() != std::io::ErrorKind::WouldBlock {
+                                    println!("Error connecting to hot reloading: {} (Hot reloading is a feature of the dioxus-cli. If you are not using the CLI, this error can be ignored)", err);
+                                }
+                            }
+                        }
                         if *aborted.lock().unwrap() {
                             break;
                         }