Conform BinanceAuth/KucoinAuth to RawRepresentable

 - Allows for using @AppStorage.

Sources/SwiftTrader/Model/Binance/BinanceAuth/BinanceAuth+RawRepresentable.swift

@@ -0,0 +1,30 @@
+//
+//  BinanceAuth+RawRepresentable.swift
+//
+//
+//  Created by Fernando Fernandes on 11.03.24.
+//
+
+import Foundation
+
+extension BinanceAuth: RawRepresentable {
+    public typealias RawValue = String
+
+    public init?(rawValue: RawValue) {
+        guard let data = rawValue.data(using: .utf8),
+              let result = try? JSONDecoder().decode(BinanceAuth.self, from: data) else {
+            return nil
+        }
+        self = result
+    }
+
+    public var rawValue: RawValue {
+        guard let data = try? JSONEncoder().encode(self) else {
+            return "Failed to encode data"
+        }
+        guard let jsonString = String(data: data, encoding: .utf8) else {
+            return "Faile to convert data to String"
+        }
+        return jsonString
+    }
+}

Sources/SwiftTrader/Model/Kucoin/KucoinAuth/KucoinAuth+RawRepresentable.swift

@@ -0,0 +1,29 @@
+//
+//  KucoinAuth+RawRepresentable.swift
+//
+//
+//  Created by Fernando Fernandes on 06.03.24.
+//
+
+import Foundation
+
+extension KucoinAuth: RawRepresentable {
+    public typealias RawValue = String
+
+    public init?(rawValue: RawValue) {
+        guard let data = rawValue.data(using: .utf8),
+              let result = try? JSONDecoder().decode(KucoinAuth.self, from: data) else {
+            return nil
+        }
+        self = result
+    }
+
+    public var rawValue: RawValue {
+        guard let data = try? JSONEncoder().encode(self) else {
+            return "Failed to encode data"
+        }
+        guard let jsonString = String(data: data, encoding: .utf8) else {
+            return "Faile to convert data to String"
+        }
+        return jsonString
+    }}