🌐 Add Vietnamese translations for `docs/vi/docs/tutorial/first-steps.md` and `docs/vi/docs/tutorial/index.md` (#10088)
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>
