Add license header to all files

Change-Id: I24c88325af067ecd2442c10b8818a59273a07ff5
Gitlab: #45
diff --git a/rollup.config.js b/rollup.config.js
index 2cb8615..f321c2e 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -1,3 +1,20 @@
+/*
+ * Copyright (C) 2022 Savoir-faire Linux Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public
+ * License along with this program.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
 import commonjs from '@rollup/plugin-commonjs';
 import run from '@rollup/plugin-run';
 import typescript from '@rollup/plugin-typescript';