Add missing license header to np_regression.py module (#3043)

Reviewed By: saitcakmak

Differential Revision: D84151472

Pulled By: Balandat

fbshipit-source-id: 0e97db6a280fd2703e188b30c769aef46a3526b4

Author: Balandat

botorch_community/models/np_regression.py

@@ -1,3 +1,9 @@
+#!/usr/bin/env python3
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+#
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
+
 r"""
 Neural Process Regression models based on PyTorch models.