docs: translate blog content(react 19 upgrade guide)#1336

Merged

lumirlumir merged 16 commits intoreactjs:mainfrom

y0ungchoi:translate-react-19-upgrade-guide

Oct 2, 2025

Commits on Sep 24, 2025

docs: translate till codemods
Eun Young Choi
committed

Commits on Sep 29, 2025

docs: translate till New deprecations
Eun Young Choi
committed
docs: translate till removed-deprecated-typescript-types
Eunyoung Choi
committed

Commits on Sep 30, 2025

docs: unify 리듀서 → reducer
Eunyoung Choi
committed

Commits on Oct 1, 2025

docs: translate the rest parts
Eunyoung Choi
committed

Commits on Oct 2, 2025