CloseReason does not optionally implement serde::Serialize and Deserialize

[LucaCappelletti94]

As per title, the CloseReason does not implement serde::Serialize and Deserialize. Why is this?

actix-web/actix-http/src/ws/proto.rs

Lines 197 to 205 in 9656383

	#[derive(Debug, Eq, PartialEq, Clone)]
	/// Reason for closing the connection
	pub struct CloseReason {
	/// Exit code
	pub code: CloseCode,
	/// Optional description of the exit code
	pub description: Option<String>,
	}