[mips/zh-cn] Add translation

[yihuajack]

Add translation for MIPS Assembly in zh-CN
The nomenclature strictly follows the translation agreements of Danghui Wang 王党辉, Jichang Kang 康继昌, and Jianfeng An 安建峰's translation version of "Computer Organization and Design: The Hardware/Software Interface" Fifth Edition published by China Machine Press

• I solemnly swear that this is all original content of which I am the original author
• Pull request title is prepended with [language/lang-code]
• Pull request touches only one file (or a set of logically related files with similar changes made)
• Content changes are aimed at intermediate to experienced programmers (this is a poor format for explaining fundamental programming concepts)
• If you've changed any part of the YAML Frontmatter, make sure it is formatted according to CONTRIBUTING.md
  • Yes, I have double-checked quotes and field names!

[imba-tjd]

Thanks for your contribution!