[Web] Add slovak language (#3387)

data/conf/dovecot/dovecot.conf

@@ -239,6 +239,30 @@ namespace inbox {
   mailbox "Utkast" {
     special_use = \Drafts
   }
+  mailbox "Odoslaná pošta" {
+    special_use = \Sent
+  }
+  mailbox "Odoslané" {
+    special_use = \Sent
+  }
+  mailbox "Odstránené položky" {
+    special_use = \Trash
+  }
+  mailbox "Koš" {
+    special_use = \Trash
+  }
+  mailbox "Nevyžiadaná pošta" {
+    special_use = \Junk
+  }
+  mailbox "Infikované položky" {
+    special_use = \Junk
+  }
+  mailbox "Zachytené položky" {
+    special_use = \Junk
+  }  
+  mailbox "Koncepty" {
+    special_use = \Drafts
+  }
   prefix =
 }
 protocols = imap sieve lmtp pop3