Quick Menu [1.2.5] [1.21.3]

1.21.3 port + some updates to Chinese Simplified.

Changelog

• Updated Chinese Simplified lang file. #19 (@Cccc-owo)
• Updated to 1.21.3. #24 (@tehbeard)

I am not going to bother porting this version to <1.21.3 as this version doesn't add anything worth the effort. Just use v1.2.4 or v1.2.3.