Add cn translation for serveral sections of advanced user guide.

[woostundy]

including:

index.md
path-operation-advanced-configuration.md
additional-status-codes.md
custom-response.md
response-directly.md

And more will be added later.

[codecov]

Codecov Report

Merging #1804 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff             @@
##            master     #1804    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files          238       235     -3     
  Lines         7187      6989   -198     
==========================================
- Hits          7187      6989   -198     

Impacted Files	Coverage Δ
fastapi/dependencies/utils.py	100.00% <0.00%> (ø)
tests/main.py
tests/utils.py
fastapi/utils.py
fastapi/__init__.py
tests/test_get_request_body.py	100.00% <0.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update d60dd1b...5145550. Read the comment docs.

[github-actions]

📝 Docs preview for commit 5145550 at: https://5f20162d2e9533025d3038f0--fastapi.netlify.app

[tiangolo]

That's great! 🎉

Could you separate each file in a different PR?

If each file is in a different PR, it will be easier for others to review an entire PR and/or add comments to specific sections.

[waynerv]

The embarrassing thing is these 5 articles have already been translated by @RunningIkkyu . you should follow the contribution guide and check PR list to avoid duplicate work.

[woostundy]

The embarrassing thing is these 5 articles have already been translated by @RunningIkkyu . you should follow the contribution guide and check PR list to avoid duplicate work.

It's my fault that I forgot to check.
But I find there are three sections translated in PR list: #1447 #1451 #1452 if I haven't miss others.
So should I create new PRs for index.md and custom-response.md ?

[RunningIkkyu]

#1445 #1451 #1447 #1452 #1459 @woostundy Please review these files.

[waynerv]

Filtering PR list by label lang-zh and you will see all the Chinese translations.

[tiangolo]

As these translations have been added in other PRs I'm gonna close this one. Thanks! ☕