[MindSpore-discuss] Promote liangchenghui as new maintainer

Hi Team,

This email is my nomination of: Adding liangchenghui to the maintainer team of Doc WG.

Liangchenghui is responsible for designing & developing the supported operators of MindSpore, please refer to [0], [1] for the code contributed by him.

[0] https://gitee.com/mindspore/docs/blob/master/docs/source_en/operator_list.md [1] https://gitee.com/mindspore/docs/blob/master/docs/source_zh_cn/operator_list...

Lei Yuning