Added relation support

src/HopFrame.Core/Services/ITableManager.cs

@@ -1,8 +1,13 @@
-namespace HopFrame.Core.Services;
+using System.Reflection;
+using HopFrame.Core.Config;
+
+namespace HopFrame.Core.Services;
 
 public interface ITableManager {
     public IQueryable<object> LoadPage(int page, int perPage = 20);
     public (IEnumerable<object>, int) Search(string searchTerm, int page = 0, int perPage = 20);
     public int TotalPages(int perPage = 20);
     public Task DeleteItem(object item);
+    
+    public string DisplayProperty(object item, PropertyInfo info, TableConfig? tableConfig);
 }