Arranged the folder structure of the library and test targets in the Package.

Sources/AmiiboService/Internal/Protocols/KeyNameModel.swift

@@ -0,0 +1,30 @@
+//===----------------------------------------------------------------------===
+//
+// This source file is part of the AmiiboService open source project
+//
+// Copyright (c) 2024-2025 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
+//
+//===----------------------------------------------------------------------===
+
+/// A protocol that defines decodable models containing the `key` and `name` properties.
+protocol KeyNameModel: Sendable {
+    
+    // MARK: Properties
+    
+    /// A key.
+    var key: String { get }
+    
+    /// A name.
+    var name: String { get }
+    
+    // MARK: Initializers
+    
+    /// Initializes this model from a given payload.
+    /// - Parameter payload: A payload that contains the values for the model.
+    init(_ payload: Components.Schemas.Tuple)
+    
+}