docs: update LangDB links in observability documentation
- Removed references to the AI Gateway features in both English and Portuguese documentation.
- Updated the Model Catalog links to point to the new app.langdb.ai domain.
- Ensured consistency across both language versions of the documentation.
* fix: correct code example language inconsistency in pt-BR docs
* fix: fix: fully standardize code example language and naming in pt-BR docs
* fix: fix: fully standardize code example language and naming in pt-BR docs fixed variables
* fix: fix: fully standardize code example language and naming in pt-BR docs fixed params
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Co-authored-by: Lucas Gomide <lucaslg200@gmail.com>
* docs: add pt-br translations
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* Update mcp/overview.mdx brazilian docs
Its en-US counterpart was updated after I did a pass,
so now it includes the new section about @CrewBase