feat: add keys as part of the get inventory.

src/WFClassic.Web/Data/Enums/InternalInventoryItemType.cs

@@ -18,6 +18,7 @@
         Recipes,
         CreditBundles,
         Sentinels,
-        SentinelWeapons
+        SentinelWeapons,
+        LevelKeys
     }
 }

src/WFClassic.Web/Logic/Inventory/Get/GetInventoryMapper.cs

@@ -63,6 +63,7 @@ namespace WFClassic.Web.Logic.Inventory.Get
                 RegularCredits = regularCredits > 0 ? regularCredits : 0,
                 TauntHistory = player.TauntHistoryItems.Select(s => new GetInventoryResultJsonTauntHistoryItem() { node = s.Node }).ToList(),
                 Upgrades = GetUpgrade(player.InventoryItems, attachments, InternalInventoryItemType.Upgrades),
+                 Keys = GetJsonTypeCount(InternalInventoryItemType.LevelKeys, player.InventoryItems),
             };
         }
 

src/WFClassic.Web/Logic/Inventory/Get/GetInventoryResult.cs

@@ -107,6 +107,9 @@ namespace WFClassic.Web.Logic.Inventory.Get
         [JsonPropertyName("XPInfo")]
         public List<GetInventoryResultJsonXpInfoItem> XPInfo { get; set; }
 
+        [JsonPropertyName("LevelKeys")]
+        public List<GetInventoryResultJsonTypeCount> Keys { get; set; }
+
         [JsonPropertyName("TauntHistory")]
         public List<GetInventoryResultJsonTauntHistoryItem> TauntHistory { get; set; }