chore: Update LICENSE/COPYRIGHT files

Author: jmgate

COPYRIGHT.md

@@ -0,0 +1,6 @@
+# Copyright
+
+*Copyright © 2024, National Technology & Engineering Solutions of
+Sandia, LLC (NTESS).  Under the terms of Contract DE-NA0003525 with
+NTESS, the U.S.  Government retains certain rights in this software.
+All rights reserved.*

LICENSE.md

@@ -1,9 +1,6 @@
-# BSD-3-Clause License
+# BSD 3-Clause "New" or "Revised" License
 
-_Copyright © 2024, National Technology & Engineering Solutions of
-Sandia, LLC (NTESS).  Under the terms of Contract DE-NA0003525 with
-NTESS, the U.S.  Government retains certain rights in this software.
-All rights reserved._
+Copyright 2024 NTESS.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are
@@ -14,7 +11,7 @@ met:
 2. Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.
-3. Neither the name of Sandia National Laboratories nor the names of its
+3. Neither the name of the copyright holder nor the names of its
    contributors may be used to endorse or promote products derived from
    this software without specific prior written permission.
 

README.md

@@ -96,9 +96,9 @@ we'd love to have your help :grinning:  Check out our
 
 [contributors]: https://github.com/sandialabs/staged-script/graphs/contributors
 
-## License
+## License & Copyright
 
-See [LICENSE.md](LICENSE.md).
+See [LICENSE.md](LICENSE.md) and [COPYRIGHT.md](COPYRIGHT.md).
 
 ## Credits