Implement the skeleton for the ServerManager and the spawn of the connection_ids

bonknet_server/src/bin/server.rs

@@ -190,11 +190,11 @@ async fn main() -> std::io::Result<()> {
                                 Msg { reply_id, body } => {
                                     use ToServerMessageBody::*;
                                     match body {
-                                        Required { id } => {
-                                            info!("I'm required with Connection ID {}", id);
+                                        Request { conn_id } => {
+                                            info!("I'm required with Connection ID {}", conn_id);
                                             out = Some(FromServerReply::Msg {
                                                 reply_id,
-                                                body: FromServerReplyBody::RequiredAccepted,
+                                                body: FromServerReplyBody::RequestAccepted,
                                             })
                                         }
                                     }