Update README.md

Author: spa5603

README.md

@@ -73,3 +73,12 @@ This ManagementPack is currently under development and may contain errors. Pleas
 
 ##### State View Management Server
 ![alt text](https://github.com/spa5603/OpsMgr.GenericServiceMonitoring/blob/master/Graphics/StateView%20-%20Management%20Server.jpg)
+
+## License Terms
+OpsMgr GenericServiceMonitoring Copyright (C) 2018 Sebastian Pabst (spa5603)
+
+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/.