Update german navigator i18n
Update german navigator i18n

latin-language-toolkit/arethusa,alpheios-project/arethusa,alpheios-project/arethusa,fbaumgardt/arethusa,alpheios-project/arethusa,fbaumgardt/arethusa,fbaumgardt/arethusa,latin-language-toolkit/arethusa,Masoumeh/arethusa,PonteIneptique/arethusa,Masoumeh/arethusa,PonteIneptique/arethusa