Style MapLibre controls and popups, follow the page theme

shared/data/maps.json

@@ -1,6 +1,7 @@
 {
   "simple": {
-    "title": "Simple map"
+    "title": "Simple map",
+    "controls": true
   },
   "light": {
     "title": "Light map style",
@@ -73,6 +74,7 @@
     ],
     "zoom": 1,
     "style": "bright",
+    "darkStyle": "fiord",
     "card": true
   }
 }