chore: Document third-party Apache 2.0 licensed material

- Introduced `ThirdPartyNotices.txt` file.
- Acknowledged usage of material from an external resource, under Apache 2.0 License.
- Identified Aptos Foundation and Meta Platforms, Inc. as original copyright holders.
- Described the terms and conditions for the use of the licensed material.

ThirdPartyNotices.txt

@@ -0,0 +1,23 @@
+THIRD PARTY NOTICES
+
+This repository incorporates material as listed below or described in the code.
+
+------------------------------------------------------------
+https://github.com/aptos-labs/aptos-core
+
+Licensed under Apache 2.0
+
+Copyright (c) Aptos Foundation
+Parts of the project are originally (c) Meta Platforms, Inc. copyright 
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.