Add Romanian strings (#579)

* Add empty file for Romanian translation

Added empty file for further Romanian translation

* Add Romanian strings

Added Romanian strings

* Update translation and English strings

Fixed some Romanian strings and some English strings (with updated Romanian strings).

* Fix review findings

Fixed some review finding (updated the review date to today).

* Fix wrong creation date

Co-authored-by: Stefano Gottardo <gottardo.stefano.83@gmail.com>