init; changed lang to DE

locale/template.txt

@@ -0,0 +1,22 @@
+# textdomain: mailbox
+
+##[ init.lua ]##
+The mailbox isn't empty.=
+You are not allowed to unrent this mailbox.=
+Free Mailbox, right-click to claim=
+@1's Mailbox=
+Send your goods@nto @1=
+Manage=
+Only allow written books=
+Unrent=
+New owner:=
+You cannot set owner of mailboxes for others.=
+Only written books are accepted.=
+Mailbox full.=
+The node you were working on is no longer a mailbox.=
+You can't manage this mailbox.=
+Mailbox=
+Mailbox for Rent=
+Mailbox owner modifier=
+Punch: Change owner=
+Right-click: Move owner out=