Improve messages formatting

src/human_player_ws.rs

@@ -1,7 +1,7 @@
 use std::sync::Arc;
 
-use actix::prelude::*;
 use actix::{Actor, Handler, StreamHandler};
+use actix::prelude::*;
 use actix_web_actors::ws;
 use actix_web_actors::ws::{CloseCode, CloseReason, Message, ProtocolError, WebsocketContext};
 use uuid::Uuid;
@@ -20,6 +20,7 @@ pub enum StartMode {
 }
 
 #[derive(serde::Deserialize, Debug)]
+#[serde(tag = "type")]
 pub enum ClientMessage {
     StopGame,
 }
@@ -27,6 +28,7 @@ pub enum ClientMessage {
 #[derive(Message)]
 #[rtype(result = "()")]
 #[derive(serde::Serialize, Debug)]
+#[serde(tag = "type")]
 pub enum ServerMessage {
     WaitingForOtherPlayer,
     QueryBoatsLayout(GameRules),