docs(i18n): add Vietnamese README translation

Add full Vietnamese (Tiếng Việt) translation of README.md and update
language selector links across existing README files.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
pluginmd 2026-02-20 17:49:29 +07:00 committed by Chummy
parent b23c2e7ae6
commit 4abd1b4471
2 changed files with 1052 additions and 1 deletions

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README.vn.md Normal file

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