* 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

* Slovenian language introduced

* Additional changes on Slovenian language