Ukrainian localization is added (#6542)

* Ukrainian localization is added

* Update HOWTO.md

* Update HOWTO-zh_TW.md

* Update HOWTO-zh.md

* Update HOWTO-vi.md

* Rename HOWTO-ua.md to HOWTO-uk_UA.md

* Update HOWTO-sv.md

* Update HOWTO-sl.md

* Update HOWTO-ru.md

* Update HOWTO-pt_BR.md

* Update HOWTO-pl.md

* Update HOWTO-ko.md

* Update HOWTO-km.md

* Update HOWTO-it.md

* Update HOWTO-id.md

* Update HOWTO-hi.md

* Update HOWTO-fa_IR.md

* Update HOWTO-fr.md

* Update HOWTO-fr.md

* Update HOWTO-es.md

* Update HOWTO-de.md

* Update HOWTO-bs.md

* Update HOWTO-ar.md

* Rename CODE_OF_CONDUCT-ua.md to CODE_OF_CONDUCT-uk_UA.md

* Rename CODE_OF_CONDUCT-uk_UA.md to CODE_OF_CONDUCT-uk.md

* Update HOWTO-ar.md

* Update HOWTO-bs.md

* Update HOWTO-de.md

* Update HOWTO-es.md

* Update HOWTO-fa_IR.md

* Update HOWTO-fr.md

* Update HOWTO-hi.md

* Update HOWTO-id.md

* Update HOWTO-it.md

* Update HOWTO-km.md

* Update HOWTO-ko.md

* Update HOWTO-pl.md

* Update HOWTO-pt_BR.md

* Update HOWTO-ru.md

* Update HOWTO-sl.md

* Update HOWTO-sv.md

* Rename HOWTO-uk_UA.md to HOWTO-uk.md

* Update HOWTO-vi.md

* Update HOWTO-zh.md

* Update HOWTO-zh_TW.md

* Update HOWTO.md

HOWTO-zh.md

@@ -1,4 +1,4 @@
-阅读本文的其他语言版本：[English](HOWTO.md), [Français](HOWTO-fr.md), [Español](HOWTO-es.md), [हिन्दी](HOWTO-hi.md), [繁體中文](HOWTO-zh_TW.md), [Português (BR)](HOWTO-pt_BR.md), [فارسی](HOWTO-fa_IR.md), [Русский](HOWTO-ru.md), [босански](HOWTO-bs.md), [Deutsch](HOWTO-de.md), [한국어](HOWTO-ko.md), [Tiếng Việt](HOWTO-vi.md), [عربي](HOWTO-ar.md).
+阅读本文的其他语言版本：[English](HOWTO.md), [Français](HOWTO-fr.md), [Español](HOWTO-es.md), [हिन्दी](HOWTO-hi.md), [繁體中文](HOWTO-zh_TW.md), [Português (BR)](HOWTO-pt_BR.md), [فارسی](HOWTO-fa_IR.md), [Русский](HOWTO-ru.md), [босански](HOWTO-bs.md), [Deutsch](HOWTO-de.md), [한국어](HOWTO-ko.md), [Tiếng Việt](HOWTO-vi.md), [عربي](HOWTO-ar.md), [Українська](HOWTO-uk.md).
 
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