Rename "Defer" to “Mark Unread”

[Canapin (Coin-coin le Canapin)]

@Lhc_fl

(I’m very happy to join, if discourse needs me to do something in Chinese localization.)

You can contribute following this guide

Contribute a translation to Discourse

So you’d like to help us translate Discourse into other languages? Great! Let’s get started. Translating Translators do all their work in the Crowdin workspace. Create an account at Crowdin and start translating one or more languages. You’ll be notified when there are new strings that need to be translated, and get emails when there are announcements. After contributing translations to the Crowdin projects, there’s nothing more to do. The translations will automatically be pulled into various…