doc: add AI-assisted contributions guidelines (#568)

Author: zhjwpku

README.md

@@ -29,7 +29,7 @@ C++ implementation of [Apache Iceberg™](https://iceberg.apache.org/).
 ## Requirements
 
 - CMake 3.25 or higher
-- C++23 compliant compiler
+- C++23 compliant compiler (GCC 14+, Clang 16+, MSVC 2022+)
 
 ## Customizing Dependency URLs
 
@@ -110,6 +110,8 @@ Apache Iceberg is an active open-source project, governed under the Apache Softw
 
 The Apache Iceberg community is built on the principles described in the [Apache Way](https://www.apache.org/theapacheway/index.html) and all who engage with the community are expected to be respectful, open, come with the best interests of the community in mind, and abide by the Apache Foundation [Code of Conduct](https://www.apache.org/foundation/policies/conduct.html).
 
+In addition, contributors using AI-assisted tools must follow the documented guidelines for AI-assisted contributions available on the Iceberg website: [https://iceberg.apache.org/contribute/#guidelines-for-ai-assisted-contributions](https://iceberg.apache.org/contribute/#guidelines-for-ai-assisted-contributions).
+
 ### Linting
 
 Install the python package `pre-commit` and run once `pre-commit install`.

mkdocs/docs/index.md

@@ -25,6 +25,8 @@ If you would like to discuss your proposed change before contributing, we encour
 
 For first-time contributors, feel free to check out our good first issues for an easy way to get started.
 
+In addition, contributors using AI-assisted tools must follow the documented guidelines for AI-assisted contributions available on the Iceberg website: [https://iceberg.apache.org/contribute/#guidelines-for-ai-assisted-contributions](https://iceberg.apache.org/contribute/#guidelines-for-ai-assisted-contributions).
+
 ## Contributing to Iceberg C++
 
 The Iceberg C++ Project is hosted on GitHub at [https://github.com/apache/iceberg-cpp](https://github.com/apache/iceberg-cpp).