LICENSE: Add LICENSE file and files headers.

packages/windows.bat

@@ -1,4 +1,19 @@
-rem Windows batch for pamhyr windows version building
+rem windows.bat -- Pamhyr Windows batch for windows version building
+rem Copyright (C) 2023  INRAE
+rem
+rem This program is free software: you can redistribute it and/or modify
+rem it under the terms of the GNU General Public License as published by
+rem the Free Software Foundation, either version 3 of the License, or
+rem (at your option) any later version.
+rem
+rem This program is distributed in the hope that it will be useful,
+rem but WITHOUT ANY WARRANTY; without even the implied warranty of
+rem MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+rem GNU General Public License for more details.
+rem
+rem You should have received a copy of the GNU General Public License
+rem along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
 @ECHO ON
 
 rem Python environment
@@ -22,6 +37,7 @@ copy /y ..\src\lang\*.qm dist\pamhyr\lang\
 rem Information
 copy /y ..\VERSION dist\pamhyr\
 copy /y ..\AUTHORS dist\pamhyr\
+copy /y ..\LICENSE dist\pamhyr\
 
 rem MAGE
 rem copy /y ..\mage\src\build\mage.exe dist\pamhyr\