update README and add license headers

README.md

@@ -1,4 +1,4 @@
-# DeepTIMe: Deep Time-Index Meta-Learning for Non-stationary Forecasting
+# DeepTIMe: Deep Time-Index Meta-Learning for Non-Stationary Time-Series Forecasting
 
 <p align="center">
 <img src=".\pics\deeptime.png" width = "700" alt="" align=center />
@@ -84,4 +84,13 @@ authors for open-sourcing their work.
 
 * https://github.com/ElementAI/N-BEATS
 * https://github.com/zhouhaoyi/Informer2020
-* https://github.com/thuml/Autoformer
+* https://github.com/thuml/Autoformer
+
+## Citation
+
+Please consider citing if you find this code useful to your research.
+<pre>@article{woo2022deeptime,
+    title={DeepTIMe: Deep Time-Index Meta-Learning for Non-Stationary Time-Series Forecasting},
+    author={Gerald Woo and Chenghao Liu and Doyen Sahoo and Akshat Kumar and Steven C. H. Hoi},
+    year={2022},
+}</pre>

models/DeepTIMe.py

@@ -1,3 +1,8 @@
+ # Copyright (c) 2022, salesforce.com, inc.
+ # All rights reserved.
+ # SPDX-License-Identifier: BSD-3-Clause
+ # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
+
 from typing import Optional
 
 import gin

models/modules/feature_transforms.py

@@ -1,3 +1,8 @@
+# Copyright (c) 2022, salesforce.com, inc.
+# All rights reserved.
+# SPDX-License-Identifier: BSD-3-Clause
+# For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
+
 from typing import List, Optional
 
 import math

models/modules/inr.py

@@ -1,3 +1,8 @@
+# Copyright (c) 2022, salesforce.com, inc.
+# All rights reserved.
+# SPDX-License-Identifier: BSD-3-Clause
+# For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
+
 from typing import Optional
 
 import torch

models/modules/regressors.py

@@ -1,3 +1,8 @@
+# Copyright (c) 2022, salesforce.com, inc.
+# All rights reserved.
+# SPDX-License-Identifier: BSD-3-Clause
+# For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
+
 from typing import Optional
 
 import torch