Update codable confrormance

Author: backslash-f

Sources/ObservableWebSocketClient/Interface/ObservableWebSocketClient+Codable.swift

@@ -9,25 +9,28 @@ import Foundation
 
 /// Required for encoding/decoding an observable object class. Refer to:
 /// https://www.hackingwithswift.com/books/ios-swiftui/encoding-an-observableobject-class
-extension ObservableWebSocketClient: Codable {
+extension ObservableWebSocketClient {
     public enum CodingKeys: String, CodingKey {
+        case id
         case websocketURL
         case message
         case error
     }
 
     public func encode(to encoder: Encoder) throws {
         var container = encoder.container(keyedBy: CodingKeys.self)
+        try container.encode(id, forKey: .id)
         try container.encode(websocketURL, forKey: .websocketURL)
         try container.encodeIfPresent(message, forKey: .message)
         try container.encodeIfPresent(error, forKey: .error)
     }
 
     public convenience init(from decoder: Decoder) throws {
         let container = try decoder.container(keyedBy: CodingKeys.self)
+        let id = try container.decode(UUID.self, forKey: .id)
         let websocketURL = try container.decode(URL.self, forKey: .websocketURL)
         let message = try container.decodeIfPresent(CodableWebSocketMessage.self, forKey: .message)
         let error = try container.decodeIfPresent(ObservableWebSocketClientError.self, forKey: .error)
-        self.init(websocketURL: websocketURL, message: message, error: error)
+        self.init(id: id, websocketURL: websocketURL, message: message, error: error)
     }
 }