Cn language support

[Chenghao999]

i am not good at use GitHub. I may have brought a lot to everyone, and I apologize for disturbing yo

[raivisdejus]

@Chenghao999 Thanks for your contribution. I welcome new translations and improvements.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 80.43%. Comparing base (725031e) to head (3973272). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #982 +/- ## ========================================== - Coverage 81.33% 80.43% -0.90% ========================================== Files 86 86 Lines 5019 5019 ========================================== - Hits 4082 4037 -45 - Misses 937 982 +45 ``` | [Flag](https://app.codecov.io/gh/chidiwilliams/buzz/pull/982/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Chidi+Williams) | Coverage Δ | | |---|---|---| | [Linux](https://app.codecov.io/gh/chidiwilliams/buzz/pull/982/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Chidi+Williams) | `80.33% <ø> (ø)` | | | [Windows](https://app.codecov.io/gh/chidiwilliams/buzz/pull/982/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Chidi+Williams) | `80.41% <ø> (ø)` | | | [macOS](https://app.codecov.io/gh/chidiwilliams/buzz/pull/982/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Chidi+Williams) | `?` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Chidi+Williams#carryforward-flags-in-the-pull-request-comment) to find out more.

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[Chenghao999]

i also interested in translate our documentation page

[raivisdejus]

@Chenghao999 Good idea. I have created issue https://github.com/chidiwilliams/buzz/issues/987 Will prepare support for documentation page localization and then you can translate.