How to install new language from https://www.transifex.com/discourse/discourse-org/translate/#lt to runing discourse?
Are you looking to add an existing language from transifex to your site, or add a new language to transifex?
existing language to site
To change the default interface language for your site, go to site settings on your forum and change the
default locale setting.
What to do if that language not listed ? how to add it there?
where i can find core files …