Moved the Amiibo API implementation to its own package (#2)

This PR contains the work done to migrate the *almost* completed**Amiibo API** implementation done in another project to its own stand-alone package.

Reviewed-on: rock-n-code/amiibo-api#2
Co-authored-by: Javier Cicchelli <javier@rock-n-code.com>
Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>

Sources/Internal/Transcoders/ISODateTranscoder.swift

@@ -0,0 +1,31 @@
+//===----------------------------------------------------------------------===
+//
+// This source file is part of the AmiiboAPI open source project
+//
+// Copyright (c) 2024 Röck+Cöde VoF. and the AmiiboAPI project authors
+// Licensed under the EUPL 1.2 or later.
+//
+// See LICENSE for license information
+// See CONTRIBUTORS for the list of AmiiboAPI project authors
+//
+//===----------------------------------------------------------------------===
+
+import Foundation
+import OpenAPIRuntime
+
+struct ISODateTranscoder: DateTranscoder {
+
+    // MARK: Properties
+    private let dateFormatter: DateFormatter = .isoDateTime
+    
+    // MARK: Functions
+    
+    func encode(_ date: Date) throws -> String {
+        dateFormatter.string(from: date)
+    }
+    
+    func decode(_ string: String) throws -> Date {
+        dateFormatter.date(from: string) ?? .init()
+    }
+    
+}