Add database property in DatabaseQuery response

Author: KoditkarVedant

Src/Notion.Client/Api/Databases/Query/Response/DatabaseQueryResponse.cs

@@ -1,7 +1,12 @@
-namespace Notion.Client
+using System.Collections.Generic;
+using Newtonsoft.Json;
+
+namespace Notion.Client
 {
     // ReSharper disable once ClassNeverInstantiated.Global
     public class DatabaseQueryResponse : PaginatedList<IWikiDatabase>
     {
+        [JsonProperty("database")]
+        public Dictionary<string, object> Database { get; set; }
     }
 }