add license notice in trivabble.js

trivabble.js

@@ -1,3 +1,27 @@
+/**
+ * Copyright (C) 2016 Raphaël Jakse <raphael.jakse@gmail.com>
+ *
+ * @licstart
+ * This file is part of Trivabble.
+ *
+ * Trivabble is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License (GNU AGPL)
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * Trivabble 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Trivabble.  If not, see <http://www.gnu.org/licenses/>.
+ * @licend
+ *
+ * @source: https://trivabble.1s.fr/
+ * @source: https://gitlab.com/raphj/trivabble/
+ */
+
 (function () {
     "use strict";