Add copyright notice to tiling.scm and magnetic.scm

module/guile-wm/module/magnetic.scm

@@ -1,3 +1,18 @@
+;; This file is part of Guile-WM.
+
+;;    Guile-WM 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.
+
+;;    Guile-WM 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 Guile-WM.  If not, see <http://www.gnu.org/licenses/>.
+
 (define-module (guile-wm module magnetic)
   #:use-module (guile-wm shared)
   #:use-module (xcb xml)

module/guile-wm/module/tiling.scm

@@ -1,3 +1,18 @@
+;; This file is part of Guile-WM.
+
+;;    Guile-WM 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.
+
+;;    Guile-WM 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 Guile-WM.  If not, see <http://www.gnu.org/licenses/>.
+
 (define-module (guile-wm module tiling)
   #:use-module (guile-wm module randr)
   #:use-module (guile-wm module window-menu)