📪 Mailbox - with couriers and delivery

Added new languages:

- German by Jay

- Polish by Kagura

- French by Soifox

Affected files:

lua/dn_mailbox/languages/german.lua

lua/dn_mailbox/languages/polish.lua

lua/dn_mailbox/languages/french.lua

lua/dn_mailbox/config.lua (Line 11)