[Dovecot] Add czech folder names to namespace

data/conf/dovecot/dovecot.conf

@@ -192,6 +192,18 @@ namespace inbox {
   mailbox "Ongewenste e-mail" {
     special_use = \Junk
   }
+  mailbox "Koncepty" {
+    special_use = \Drafts
+  }
+  mailbox "Nevyžádaná pošta" {
+    special_use = \Junk
+  }
+  mailbox "Odstraněná pošta" {
+    special_use = \Trash
+  }
+  mailbox "Odeslaná pošta" {
+    special_use = \Sent
+  }
   prefix =
 }
 namespace {