add header

Signed-off-by: NucleonGodX <racerpro41@gmail.com>

Author: NucleonGodX

src/packagedcode/buildpack.py

@@ -1,3 +1,12 @@
+#
+# Copyright (c) nexB Inc. and others. All rights reserved.
+# ScanCode is a trademark of nexB Inc.
+# SPDX-License-Identifier: Apache-2.0
+# See http://www.apache.org/licenses/LICENSE-2.0 for the license text.
+# See https://github.com/nexB/scancode-toolkit for support or download.
+# See https://aboutcode.org for more information about nexB OSS projects.
+#
+
 import toml
 from packagedcode import models
 from packageurl import PackageURL