Add "thread from" overboard translation

locales/en-GB.json

@@ -1380,4 +1380,4 @@
 	"Your request was blocked because your IP address is listed on a blacklist.": "Your request was blocked because your IP address is listed on a blacklist.",
 	"Your upload was too large": "Your upload was too large",
 	"Zoom": "Zoom"
-}
+}

locales/pt-PT.json

@@ -1380,4 +1380,4 @@
 	"Your request was blocked because your IP address is listed on a blacklist.": "O teu pedido foi bloqueado porque o teu IP está numa blacklist.",
 	"Your upload was too large": "O teu carregamento é demasiado grande",
 	"Zoom": "Zoom"
-}
+}

locales/ru-RU.json

@@ -1380,4 +1380,4 @@
 	"Your request was blocked because your IP address is listed on a blacklist.": "Ваш запрос был заблокирован, потому что ваш IP-адрес внесен в черный список.",
 	"Your upload was too large": "Ваша загрузка была слишком большой",
 	"Zoom": "Увеличить"
-}
+}

views/pages/overboard.pug

@@ -22,7 +22,7 @@ block content
 	if threads.length === 0
 		p #{__('No posts.')}
 	for thread in threads
-		h4.no-m-p Thread from #[a(href=`/${thread.board}/index.html`) /#{thread.board}/]
+		h4.no-m-p #{__('Thread from')} #[a(href=`/${thread.board}/index.html`) /#{thread.board}/]
 		.thread
 			+post(thread, true, false, false, false, true)
 			for post in thread.replies