DeepL integration for Translator plugin

[valsha (KingPin)]

@pfaffman it might be better to fix the support Yandex

Official Discourse Translator Plugin

Summary Discourse Translator translates posts on Discourse using Microsoft, Google, or Yandex translation APIs. Repository Link https://github.com/discourse/discourse-translator Install Guide How to install plugins in Discourse Features [English forum with Japanese locale] Each post is only translated once per locale which saves you Note that language detection is also run once for every post. Be careful when enabling…

it is the cheapest and translates text very well