added copyright

Author: taesungp

datasets/coco_generate_instance_map.py

@@ -1,3 +1,8 @@
+"""
+Copyright (C) 2019 NVIDIA Corporation. All rights reserved.
+Licensed under the CC BY-NC-SA 4.0 license (https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode).
+"""
+
 import os
 import argparse
 from pycocotools.coco import COCO