Added local RAG (#756)

Co-authored-by: Thorsten Sommer <SommerEngineering@users.noreply.github.com>

app/MindWork AI Studio/Settings/DataModel/DataApp.cs

@@ -179,6 +179,11 @@ public sealed class DataApp(Expression<Func<Data, DataApp>>? configSelection = n
     /// </summary>
     public bool ShowAdminSettings { get; set; } = ManagedConfiguration.Register(configSelection, n => n.ShowAdminSettings, false);
 
+    /// <summary>
+    /// Settings for indexing local data sources.
+    /// </summary>
+    public DataDataSourceIndexing DataSourceIndexing { get; init; } = new();
+
     /// <summary>
     /// List of assistants that should be hidden from the UI.
     /// </summary>