Configure data sources (#259)

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

@@ -0,0 +1,7 @@
+namespace AIStudio.Tools.Rust;
+
+/// <summary>
+/// Data structure for selecting a file when a previous file was selected.
+/// </summary>
+/// <param name="FilePath">The path of the previous file.</param>
+public readonly record struct PreviousFile(string FilePath);