Added local RAG (#756)

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

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

@@ -0,0 +1,9 @@
+namespace AIStudio.Settings.DataModel;
+
+public sealed class DataDataSourceIndexing
+{
+    /// <summary>
+    /// Whether local data source embeddings should refresh automatically when files change.
+    /// </summary>
+    public bool AutomaticRefresh { get; set; } = true;
+}