daily update on 20230628 by nitload youmu, new debug and graphic lib added

源代码/StgSharp/Geometries/SpaceGeometry/Class1.cs

@@ -0,0 +1,10 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace StgSharp.Geometries.SpaceGeometry
+{
+    internal class Class1
+    {
+    }
+}