docs: update notice

[anlyyao]

• 🎉 移动端整体接入主题生成器 by @RylanBot

[tencent-adm]

Thank you for your submission, we really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}