luci-app-wireguard: add german translation
luci-app-wireguard: add german translation

Submitted-by: Matthias84 <ec2106a736de6072a94d580b041ef67d294656ef@users.noreply.github.com>
[reword commit message]
Signed-off-by: Jo-Philipp Wich <bd73d35759d75cc215150d1bbc94f1b1078bee01@mein.io>

hnyman/luci,openwrt/luci,artynet/luci,openwrt-es/openwrt-luci,nmav/luci,artynet/luci,artynet/luci,tobiaswaldvogel/luci,lbthomsen/openwrt-luci,openwrt-es/openwrt-luci,Noltari/luci,openwrt/luci,rogerpueyo/luci,rogerpueyo/luci,Noltari/luci,hnyman/luci,rogerpueyo/luci,Noltari/luci,lbthomsen/openwrt-luci,rogerpueyo/luci,rogerpueyo/luci,openwrt-es/openwrt-luci,tobiaswaldvogel/luci,tobiaswaldvogel/luci,nmav/luci,openwrt-es/openwrt-luci,tobiaswaldvogel/luci,hnyman/luci,openwrt/luci,openwrt-es/openwrt-luci,rogerpueyo/luci,artynet/luci,hnyman/luci,Noltari/luci,rogerpueyo/luci,nmav/luci,tobiaswaldvogel/luci,Noltari/luci,lbthomsen/openwrt-luci,lbthomsen/openwrt-luci,lbthomsen/openwrt-luci,nmav/luci,artynet/luci,tobiaswaldvogel/luci,hnyman/luci,Noltari/luci,openwrt-es/openwrt-luci,hnyman/luci,openwrt/luci,Noltari/luci,rogerpueyo/luci,lbthomsen/openwrt-luci,openwrt/luci,openwrt/luci,artynet/luci,openwrt-es/openwrt-luci,nmav/luci,nmav/luci,artynet/luci,tobiaswaldvogel/luci,nmav/luci,hnyman/luci,tobiaswaldvogel/luci,nmav/luci,openwrt/luci,artynet/luci,Noltari/luci,artynet/luci,hnyman/luci,openwrt/luci,lbthomsen/openwrt-luci,openwrt-es/openwrt-luci,lbthomsen/openwrt-luci,nmav/luci,Noltari/luci