Add more licenses

Summary: I wish `arc lint --take LICENSELINT` would find those.

Reviewed By: AndreasBackx

Differential Revision: D84597555

fbshipit-source-id: 0fdb42ad41d7653981e36e90ecce95a038669b66

Author: ukautz

website/src/theme/prism-include-languages.js

@@ -1,3 +1,10 @@
+/**
+ * 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.
+ */
+
 import siteConfig from '@generated/docusaurus.config';
 export default function prismIncludeLanguages(PrismObject) {
   const {