Added notice to describe the third-party components.

NOTICE.md

@@ -0,0 +1,22 @@
+This project integrates several third-party components at *execution* level. Please check the list below.
+
+- terraform: provided by Hashicorp. Version: 1.5.7. License: MPL-2.0
+- openTofu: provided by LF Projects, LLC. Version: 1.6.0-beta2. License: MPL-2.0
+- Terraform providers:
+  - alicloud: provided by Alibaba Cloud. Version: 1.203.0. License: MPL-2.0
+  - tencentcloud: provided by Tencent Cloud. Version: 1.80.5. License: MPL-2.0
+  - AWS: provided by Amazon Web Services. Version: 4.64.0. License: MPL-2.0
+  - baidubce: provided by Baidu Cloud. Version: 1.19.18. License: MPL-2.0
+  - huaweicloud: provided by Huawei Cloud. Version: 1.53.0. License: MPL-2.0
+  - azurerm: provided by Microsoft Azure. Version: 3.70.0. License: MPL-2.0
+  - azuread: provided by Microsoft Azure. Version: 2.41.0. License: MPL-2.0
+  - google cloud platform: provided by Google Cloud Platform. Version: 4.84.0. License: MPL-2.0
+  - volcengine: provided by Bytedance Volcano Engine. Version: 0.0.146. License: MPL-2.0
+- ossutil: provided by Alibaba Cloud. Version: 1.7.16. License: MIT
+- coscli: providded by Tencent Cloud. Version: 0.20.0-beta. License: Apache-2.0
+- awscli: provided by Amazon Web Services. Version: 2.15.24. License: Apache-2.0
+- bcecmd: provided by Baidu Cloud. Version: 0.4.0. Not open source but free to use
+- obsutil: provided by Huawei Cloud. Version: 5.5.12. Not open source but free to use
+- azcopy: provided by Microsoft Azure. Version: 10.20.1. License: MIT
+- google-cloud-sdk: provided by Google Cloud Platform. Version: 449.0.0. Not open source but free to use
+- tosutil: provided by Bytedance Volcano Engine. Version: 3.0.2. Not open source but free to use

README.md

@@ -88,6 +88,8 @@ The high-level architecture of this project is:
 
 <img src="./img/arch.png" alt="architecture" style="width: 600px;"/>
 
+**NOTICE:** This project integrates several third-party components at *execution* level. Please see the [NOTICE](./NOTICE.md).
+
 # **3. How-To: Build, Install, Run, and Use**
 
 The HPC-NOW platform is very easy to build, run, and use. It is also cross-platform, which means you can run the HPC-NOW on Microsoft Windows, GNU/Linux (with APT, DNF or YUM), and macOS (Darwin).