Proposed copyright and license text

LICENSE

@@ -0,0 +1,18 @@
+The contents of wire-cell-toolkit project, unless otherwise stated,
+are distributed according to the following.
+
+Copyright 2015-2023 Brookhaven National Laboratory for the benefit of
+the Wire-Cell Team.
+
+This project is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as
+published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Lesser General Public License for more details.
+
+A copy of the GNU Lesser General Public is provided with the project
+files and may also be found at <https://www.gnu.org/licenses/>.

wscript

@@ -1,5 +1,11 @@
 #!/usr/bin/env python
 
+# Copyright 2015-2023 Brookhaven National Laboratory for the benefit
+# of the Wire-Cell Team.
+# 
+# This file is part of the wire-cell-toolkit project and distributed
+# according to the LICENSE file provided as also part of this project.
+
 import os
 
 TOP = '.'