updating license for toolchain

setup.py

@@ -1,9 +1,15 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the terms described found in the
+# LICENSE file in the root directory of this source tree.
+
 from setuptools import find_packages, setup
 
 
 # Function to read the requirements.txt file
 def read_requirements():
-    with open('requirements.txt') as req:
+    with open("requirements.txt") as req:
         content = req.readlines()
     return [line.strip() for line in content]
 
@@ -14,11 +20,7 @@ setup(
     author="Meta Llama",
     author_email="rsm@meta.com",
     description="Llama toolchain",
-    entry_points={
-        "console_scripts": [
-            'llama = llama_toolchain.cli.llama:main'
-        ]
-    },
+    entry_points={"console_scripts": ["llama = llama_toolchain.cli.llama:main"]},
     long_description=open("README.md").read(),
     long_description_content_type="text/markdown",
     url="https://github.com/meta-llama/llama-toolchain",
@@ -26,5 +28,5 @@ setup(
     classifiers=[],
     python_requires=">=3.10",
     install_requires=read_requirements(),
-    include_package_data=True
+    include_package_data=True,
 )