Add timing function

project/code/TMV/Timing.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Diagnostics;
+
+namespace KeepersCompound.TMV;
+
+public static class Timing
+{
+    public static void TimeStage(string stagename, Action action)
+    {
+        var watch = Stopwatch.StartNew();
+        action();
+        watch.Stop();
+        Godot.GD.Print($"[{stagename}]: {watch.Elapsed:g}");
+    }
+}