chore(grid): link expando and datatable samples from docs

Author: marin-bratanov

components/grid/overview.md

@@ -90,6 +90,8 @@ The following list of resources provides examples for data binding a grid in var
 
 * **OData** data source - an extension method we provide lets you make OData v4 queries as shown in the following example: [Grid and OData](https://github.com/telerik/blazor-ui/tree/master/grid/odata).
 
+* If you don't have actual strongly typed models (yet) and you use `ExpandoObject`, or your backend comes from an older technology and still returns `DataTable`s, the grid can accommodate such dynamic data types. You can find examples how to bind the grid to a [ExpandoObject or Dictionary](https://github.com/telerik/blazor-ui/tree/master/grid/binding-to-expando-object) and to a [DataTable](https://github.com/telerik/blazor-ui/tree/master/grid/binding-to-datatable).
+
 
 ## Blazor Grid Reference