Update Licenses.txt

SaneSideButtons/Licenses.txt

@@ -1,3 +1,20 @@
+SaneSideButtons/LICENSE
+Copyright (c) 2023 Jan Hülsmann ([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 2
+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, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
 SensibleSideButtons/LICENSE
 SensibleSideButtons, a utility that fixes the navigation buttons on third-party mice in macOS
 Copyright (C) 2018 Alexei Baboulevitch ([email protected])