Add Chinese Simplified support

[Axia111]

Atlas is a very good system, many people in China are very willing to try this system, we very much hope to have official Chinese Simplified Chinese support, thank you very much!

[PostmanPat2011]

Run powershell as admin
Run
Install-Language zh-Hans
Wait for operation to complete
Run
Set-SystemPreferredUILanguage zh-Hans
Restart system. If this does not work try changing the language from the settings.