docs: Update license info

README.md

@@ -156,6 +156,26 @@ sudo cmake --install build # install the binary and configuration files
 sudo systemctl enable --now munge slurmctld slurmd
 ```
 
+## License
+
+```
+Copyright © 2020-2024 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH
+                      Matthias Kretz <[email protected]>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+```
+
 ## References
 
 [^bk1WA]: SPANK - Slurm Plug-in Architecture

main.cpp

@@ -1,6 +1,6 @@
 /*{{{
-    Copyright © 2020 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH
-                     Matthias Kretz <[email protected]>
+    Copyright © 2020-2024 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH
+                          Matthias Kretz <[email protected]>
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by