Added translation

maestro.json

@@ -2,7 +2,8 @@
     "type": "overpass",
     "name": {
         "en": "Maestro Payment",
-        "nl": "Maestro Betaling"
+        "nl": "Maestro Betaling",
+        "de": "Maestro Zahlung"
     },
     "query": {
         "15": [
@@ -21,6 +22,7 @@
             "  {% set payment_color='white' %}",
             "{% endif %}"
         ],
+        "markerSign": "",
         "markerSymbol": "{{ markerPointer({\"fillColor\":payment_color})|raw }}"
     }
 }