Add Chinese layout

[steamaa1]

Checklist

• [X] I made sure that there are no existing issues - open or closed - to which I could contribute my information.
• [X] I made sure that there are no existing discussions - open or closed - to which I could contribute my information.
• [X] I have read the FAQs inside the app (Menu -> About -> FAQs) and my problem isn't listed.
• [X] I have taken the time to fill in all the required details. I understand that the bug report will be dismissed otherwise.
• [X] This issue contains only one feature request.
• [X] I have read and understood the contribution guidelines.
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Feature description

Please add Simplified Chinese or Traditional Chinese layout

Why do you want this feature?

I see that this keyboard does not have a Chinese option, but I don't know how to create a layout, so I hope there will be a Chinese option

Additional information

No response