add serde to Message

src/messages/mod.rs

@@ -14,9 +14,10 @@ pub use header::*;
 pub use hello::*;
 pub use message_type::*;
 pub use ping::*;
+use serde::{Deserialize, Serialize};
 pub use state::*;
 
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, Serialize, Deserialize)]
 pub enum Message {
     None,
     DeviceInfo(Box<DeviceInfo>),