docs: add README translations for 10 languages (12 total)

Add machine-translated README files for Japanese, Korean, Spanish,
French, German, Portuguese (BR), Turkish, Arabic, Hindi, and Russian.
Update language selector in English and Chinese READMEs to link all 12
versions.

New files: README.{ja,ko,es,fr,de,pt-BR,tr,ar,hi,ru}.md
Modified: README.md, README.zh-CN.md (language selector bar)
This commit is contained in:
yusyus
2026-03-15 16:27:05 +03:00
parent 37cb307455
commit 9e405df9d0
12 changed files with 11157 additions and 2 deletions

1058
README.de.md Normal file

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