Added support for Switch 2 games to the Amiibo type. (#21)

This PR contains the work done to add support for *Switch 2* games to the `Amiibo` model type of the library. In addition, some test cases and documentation have been updated/revised due to this update.

Reviewed-on: #21
Co-authored-by: Javier Cicchelli <javier@rock-n-code.com>
Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>

Sources/AmiiboService/Public/Models/Amiibo.swift

@@ -14,7 +14,7 @@
 
 import Foundation
 
-/// A model that represents an amiibo item.
+/// A model that represents an amiibo.
 public struct Amiibo: Sendable {
     
     // MARK: Properties
@@ -61,6 +61,7 @@ public struct Amiibo: Sendable {
         self.name = payload.name
         self.platform = .init(
             payload.gamesSwitch,
+            payload.gamesSwitch2,
             payload.games3DS,
             payload.gamesWiiU
         )