Update docs

Author: hwdsl2

aws/README-zh.md

@@ -29,6 +29,12 @@
 
 [![Launch stack](images/cloudformation-launch-stack-button.png)](https://console.aws.amazon.com/cloudformation/home#/stacks/new)
 
+## 延伸阅读
+
+了解有关此 CloudFormation 模板设计的更多信息：
+
+[Introduction to AWS CloudFormation with Example Project Walk-Through](https://nixsanctuary.com/introduction-to-aws-cloudformation-with-example-project-walk-through/)
+
 ## 屏幕截图
 
 <details>
@@ -122,4 +128,4 @@ $ ssh -i path/to/your/new-key-file.pem instance-username@instance-ip-address
 
 ## 作者
 
-版权所有 (C) 2020-2024 [Scott X. L.](https://github.com/scottpedia) <[[email protected]](mailto:[email protected])>
+版权所有 (C) 2020-2025 [Scott X. L.](https://github.com/scottpedia) <[[email protected]](mailto:[email protected])>

aws/README.md

@@ -29,6 +29,12 @@ Click the icon below to start:
 
 [![Launch stack](images/cloudformation-launch-stack-button.png)](https://console.aws.amazon.com/cloudformation/home#/stacks/new)
 
+## Further reading
+
+Learn more about the design of this CloudFormation template:
+
+[Introduction to AWS CloudFormation with Example Project Walk-Through](https://nixsanctuary.com/introduction-to-aws-cloudformation-with-example-project-walk-through/)
+
 ## Screenshots
 
 <details>
@@ -122,4 +128,4 @@ You may use the "Delete" button on the CloudFormation stack page to delete the C
 
 ## Author
 
-Copyright (C) 2020-2024 [Scott X. L.](https://github.com/scottpedia) <[[email protected]](mailto:[email protected])>
+Copyright (C) 2020-2025 [Scott X. L.](https://github.com/scottpedia) <[[email protected]](mailto:[email protected])>

aws/cloudformation-template-ipsec.json

@@ -9,7 +9,7 @@
                     "based on the work of Lin Song <[email protected]> : https://github.com/hwdsl2/setup-ipsec-vpn",
                     "The latest version of this template can be found at : https://github.com/hwdsl2/setup-ipsec-vpn/aws",
                     "",
-                    "Copyright (C) 2020-2024 Scott X. L. <[email protected]>",
+                    "Copyright (C) 2020-2025 Scott X. L. <[email protected]>",
                     "",
                     "This work is licensed under the Creative Commons Attribution-ShareAlike 3.0",
                     "Unported License: http://creativecommons.org/licenses/by-sa/3.0/",