Update DE_DE.json (#5999)

* Initial Update & Organisation

* Fix not loading

Extra comma

* Clear all Empties

That are unplanned to be edited for the time being.

* Update v1

Adds the planned translations

* Update v2

With some decor translations!

* Update v3

Added a few more translations. Ready for possible PR.

* Update v4

I love gendered languages :D :(

* Update v5

Updates advancment titles to use proper title-capitalisation