Added Copyright Header

Reviewed By: davidaurelio

Differential Revision: D10462700

fbshipit-source-id: edef1f6f5825835bbdb613a1934bf7bfe86d0ee6

website/src/components/Playground/CodeComponentKit.js

@@ -1,3 +1,10 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
 // @flow
 import yoga from 'yoga-layout/dist/entry-browser';
 import LayoutRecord from './LayoutRecord';

website/src/components/Playground/CodeGenerators.css

@@ -1,3 +1,10 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
 .CodeGeneratorsTitle {
   display: flex;
   justify-content: space-between;

website/src/components/Playground/URLShortener.css

@@ -1,2 +1,9 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
 .URLShortener {
 }

website/src/pages/playground/index.css

@@ -1,3 +1,10 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
 .playground-page {
   display: flex;
   flex: 1;