Add additional machine translation support for Malay via Yandex engine. Set to be as non-default i.e. users will need to explicitly enable it to use it.
See https://www.mediawiki.org/wiki/Content_translation/Machine_Translation for more details.
Any new MT systems for this language will be added via a separate ticket.
Please note, Apertium is already available as the default machine translation system for Malay.