Howto Contribute? 如何贡献？

1. Create new issue, tell everyone what do you want to do? And why? how to do?
2. Try to plan your work in certain milestone and wait a maintainer confirm the plan
3. Coding and test locally
4. Create new PR
Note: don't make big changes unless you are a maintainer.

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1. 创建新议题，告诉大家你想要做什么？为何做？如何实现？
2. 尝试在某个里程碑中规划你的工作，并等待维护者确认这个规划
3. 编码、完成本地测试
4. 创建新的合并请求
注意：不要做大的修改，除非你是维护者。

The issue body contains contribution steps in English and Chinese but names no file or documentation entry point. First confirm with a maintainer whether this is intended as a documentation change and where the guidance belongs; done means an agreed location and finalized wording.

Written by the indexing model from the issue text.