[Web] Danish lang. 🇩🇰 (#3971)

Create Danish lang

data/conf/dovecot/dovecot.conf

@@ -350,6 +350,30 @@ namespace inbox {
   mailbox "Utkast" {
     special_use = \Drafts
   }
+  mailbox "Skraldespand" {
+    special_use = \Trash
+  }
+  mailbox "Slettet mails" {
+    special_use = \Trash
+  }
+  mailbox "Arkiv" {
+    special_use = \Archive
+  }
+  mailbox "Arkiveret mails" {
+    special_use = \Archive
+  }
+  mailbox "Sendt" {
+    special_use = \Sent
+  }
+  mailbox "Sendte mails" {
+    special_use = \Sent
+  }
+  mailbox "Udkast" {
+    special_use = \Drafts
+  }
+  mailbox "Kladde" {
+    special_use = \Drafts
+  }
   prefix =
 }
 protocols = imap sieve lmtp pop3