Added GetSchemaForTF2Async to IEconItems

Author: Tvde1

src/SteamWebAPI2/Interfaces/IEconItems.cs

@@ -10,11 +10,13 @@ public interface IEconItems
         Task<ISteamWebResponse<EconItemResultModel>> GetPlayerItemsAsync(ulong steamId);
 
         Task<ISteamWebResponse<Steam.Models.DOTA2.SchemaModel>> GetSchemaAsync(string language = "en_us");
+        
+        Task<ISteamWebResponse<Steam.Models.TF2.SchemaModel>> GetSchemaForTF2Async(string language = "en_us");
 
         Task<ISteamWebResponse<string>> GetSchemaUrlAsync();
 
         Task<ISteamWebResponse<StoreMetaDataModel>> GetStoreMetaDataAsync(string language = "");
 
         Task<ISteamWebResponse<uint>> GetStoreStatusAsync();
     }
-}
+}