Configure data sources (#259)

app/MindWork AI Studio/Tools/Rust/FileSelectionResponse.cs

@@ -0,0 +1,8 @@
+namespace AIStudio.Tools.Rust;
+
+/// <summary>
+/// Data structure for selecting a file.
+/// </summary>
+/// <param name="UserCancelled">Was the file selection canceled?</param>
+/// <param name="SelectedFilePath">The selected file, if any.</param>
+public readonly record struct FileSelectionResponse(bool UserCancelled, string SelectedFilePath);