Daily update on 20250721-223448 by Nitload Youmu. Additional Message : Rename StgSHarp.C to StgSharp.Native. Add SDL to repo.

Signed-off-by: Nitload <YoumuLiu_NSI@whv0t.onmicrosoft.com>

StgSharpDebug/Program.cs

@@ -1,7 +1,7 @@
 //-----------------------------------------------------------------------
 //-----------------------------------------------------------------------
 //     file="Program.cs"
-//     Project: World
+//     Project: StgSharp
 //     AuthorGroup: Nitload Space
 //     Copyright (c) Nitload Space. All rights reserved.
 //     
@@ -28,7 +28,6 @@
 //     
 //-----------------------------------------------------------------------
 //-----------------------------------------------------------------------
-
 using StgSharp.Collections;
 using StgSharp.Controlling.UsrActivity;
 using StgSharp.Geometries;
@@ -57,16 +56,14 @@ namespace StgSharp
 
         internal static unsafe void Main( string[] args )
         {
-            StepEntityLabel l1 = new StepEntityLabel( 1 );
-            StepEntityLabel l2 = new StepEntityLabel( 1 );
-            Console.WriteLine( l1 == l2 );
-
-            World.Init();
-            TestStepRead();
-            World.Terminate( 0 );
-            return;
-
-            try { }
+            try
+            {
+                World.Init();
+                for( int i = 0; i <= 100; i++ ) {
+                    Console.WriteLine( $"{i}!\tequals to  {Scaler.Factorial(i).ToString()}" );
+                }
+                return;
+            }
             catch( Exception ex )
             {
                 Console.WriteLine( ex );