Docs/feedback june batch (#80651)
Addressing feedback from:
- missing function reference
https://github.com/vercel/next.js/issues/77190
- Error boundaries: https://github.com/vercel/next.js/issues/42525
- RedirectType: https://github.com/vercel/next.js/issues/59160
- generateMetadata can be included into static builds:
https://github.com/vercel/next.js/issues/80499
Also the headings here,
https://nextjs.org/docs/app/guides/local-development are not properly
nested
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Co-authored-by: Delba de Oliveira <32464864+delbaoliveira@users.noreply.github.com>