Add copyright notices and GPL-2.0-or-later license grant

See #2.

1 files changed, 5 insertions, 1 deletions

diff --git a/prefs.js b/prefs.js
index d7e51da..2a94e8d 100644
--- a/prefs.js
+++ b/prefs.js
@@ -1,3 +1,7 @@
+// Copyright 2018 Bartosz Jaroszewski
+// SPDX-License-Identifier: GPL-2.0-or-later
+// (see extension.js for details)
+
 const Gio = imports.gi.Gio;
 const Gtk = imports.gi.Gtk;
 
@@ -74,4 +78,4 @@ function buildPrefsWidget() {
     widget.show_all();
 
     return widget;
-}
\ No newline at end of file
+}