🌐 Add Portuguese translation for docs/advanced/index.md

[ComicShrimp]

This PR adds a translation to advanced/index.md

[codecov]

Codecov Report

Merging #3460 (dc7f353) into master (8c12ab0) will not change coverage.
The diff coverage is n/a.

@@             Coverage Diff             @@
##            master     #3460     +/-   ##
===========================================
  Coverage   100.00%   100.00%             
===========================================
  Files          254       408    +154     
  Lines         7855     10229   +2374     
===========================================
+ Hits          7855     10229   +2374     

Impacted Files	Coverage Δ
fastapi/routing.py	100.00% <0.00%> (ø)
fastapi/encoders.py	100.00% <0.00%> (ø)
fastapi/applications.py	100.00% <0.00%> (ø)
fastapi/openapi/utils.py	100.00% <0.00%> (ø)
fastapi/security/http.py	100.00% <0.00%> (ø)
fastapi/datastructures.py	100.00% <0.00%> (ø)
fastapi/openapi/models.py	100.00% <0.00%> (ø)
fastapi/security/oauth2.py	100.00% <0.00%> (ø)
fastapi/security/api_key.py	100.00% <0.00%> (ø)
fastapi/dependencies/utils.py	100.00% <0.00%> (ø)
... and 161 more

---

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[github-actions]

📝 Docs preview for commit 6595dd6 at: https://60e255ae0456b53313cdfd07--fastapi.netlify.app

[github-actions]

📝 Docs preview for commit 2a77b34 at: https://60e34bb1c966ae967e6584b2--fastapi.netlify.app

[github-actions]

📝 Docs preview for commit dc7f353 at: https://6103449c20caccaf1a644e0e--fastapi.netlify.app

[tiangolo]

Awesome, thank you @ComicShrimp! ☕

And thanks @lsglucas and @oandersonmagalhaes for the reviews! 🍰