Add correct notice

Signed-off-by: Philippe Ombredanne <pombredanne@nexb.com>

Author: pombredanne

NOTICE

@@ -1,14 +1,19 @@
-graft src
-
-include *.LICENSE
-include NOTICE
-include *.ABOUT
-include *.toml
-include *.yml
-include *.rst
-include setup.*
-include configure*
-include requirements*
-include .git*
-
-global-exclude *.py[co] __pycache__ *.*~
+#
+# Copyright (c) nexB Inc. and others.
+# SPDX-License-Identifier: Apache-2.0
+#
+# Visit https://aboutcode.org and https://github.com/nexB/ for support and download.
+# ScanCode is a trademark of nexB Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#