No issue: add license.

fenix-retrieval/generate_applink_data.py

@@ -1,4 +1,8 @@
 #!/usr/bin/env python3
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
 import argparse
 import collections
 import csv