misc: move Models & Helpers into Common & Avalonia projects

src/Ryujinx/Common/Models/Amiibo/AmiiboApiGamesSwitch.cs

@@ -0,0 +1,15 @@
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+
+namespace Ryujinx.Ava.Common.Models.Amiibo
+{
+    public class AmiiboApiGamesSwitch
+    {
+        [JsonPropertyName("amiiboUsage")]
+        public List<AmiiboApiUsage> AmiiboUsage { get; set; }
+        [JsonPropertyName("gameID")]
+        public List<string> GameId { get; set; }
+        [JsonPropertyName("gameName")]
+        public string GameName { get; set; }
+    }
+}