Updated LICENSE.md for .NET Foundation

2021-04-06 10:17:54 +09:00 · 2021-04-06 10:17:54 +09:00 · fbda90d834
--- a/LICENSE.md
+++ b/LICENSE.md
@ -1,6 +1,7 @@
 The MIT License (MIT)

-Copyright (c) 2018-2020 Stride contributors (https://stride3d.net)  
+Copyright (c) 2021 .NET Foundation and Contributors (https://dotnetfoundation.org/)
+Copyright (c) 2018-2021 Stride contributors (https://stride3d.net)  
 Copyright (c) 2011-2018 Silicon Studio Corp. (https://www.siliconstudio.co.jp)

 All rights reserved.