Brought the Indonesian translation of the frontend almost completely

up-to-date

Also fixed a minor issue in the German translation of the API notes.

frontend/id/museum.json

@@ -12,7 +12,7 @@
         "map_symbols": "Simbol",
         "images": "Gambaran",
         "page_museum_description": "Ikhtisar semua lembaga versi museum-digital ini.",
-        "map_options": "Map options",
-        "list_of_museums": "List of all museums"
+        "map_options": "Opsi peta",
+        "list_of_museums": "Daftar semua museum"
     }
 }