Adding translation Files
All translation Files can be found in this repo https://github.com/1day2die/cpgg_lang
How to Install
Download the needed language.json file and put it in your /var/www/controlpanel/resources/lang
Now you need to enable the Language in your Dashboard Settings.
Go to YOUR_DASHBOARD.com/admin/settings#language
and adjust your Settings accordingly.
The new Language should pop up in the selection Menu