Add translation variables for settings in backend and

institution-related pages in frontend

frontend/hu/museum.json

@@ -12,6 +12,7 @@
         "map_symbols": "Szimb\u00f3lumok",
         "images": "K\u00e9pek",
         "page_museum_description": "A M\u00fazeumDigit\u00e1r magyar verzi\u00f3j\u00e1hoz csatlakozott \u00f6sszes tartalomszolg\u00e1ltat\u00f3 ",
-        "map_options": "Map options"
+        "map_options": "Map options",
+        "list_of_museums": "List of all museums"
     }
 }