Add translations for statement-based searches in main frontend

frontend/iw/navigation.json

@@ -17,6 +17,7 @@
         "articles": "\u05de\u05d0\u05de\u05e8\u05d9\u05dd",
         "events": "\u05d0\u05d9\u05e8\u05d5\u05e2\u05d9\u05dd",
         "select_language": "\u05d1\u05d7\u05d9\u05e8\u05ea \u05e9\u05e4\u05d4",
-        "join_us": "\u05d4\u05e6\u05d8\u05e8\u05e4\u05d5 \u05d0\u05dc\u05d9\u05e0\u05d5"
+        "join_us": "\u05d4\u05e6\u05d8\u05e8\u05e4\u05d5 \u05d0\u05dc\u05d9\u05e0\u05d5",
+        "browse_backgrounds": "Browse \"background information\""
     }
 }