Add images to stairs, add to stations

assets/layers/stairs/stairs.json

@@ -27,6 +27,7 @@
     "osmTags": "highway=steps"
   },
   "tagRenderings": [
+    "images",
     {
       "id": "handrail",
       "question": {
@@ -126,7 +127,7 @@
     {
       "color": "gray",
       "width": 10,
-      "dashArray": "2 2"
+      "dashArray": "6 12"
     }
   ]
-}
+}

assets/themes/stations/stations.json

@@ -34,38 +34,14 @@
     {
       "builtin": "pedestrian_path",
       "override": {
-        "mapRendering": [
-          {},
-          {
-            "color": {
-              "render": "#b33",
-              "mappings": [
-                {
-                  "if": "highway=steps",
-                  "then": "gray"
-                }
-              ]
-            },
-            "width": {
-              "render": 4,
-              "mappings": [
-                {
-                  "if": "highway=steps",
-                  "then": 10
-                }
-              ]
-            },
-            "dashArray": {
-              "render": "12 6",
-              "mappings": [
-                {
-                  "if": "highway=steps",
-                  "then": "2 2"
-                }
-              ]
-            }
-          }
-        ],
+        "title": null,
+        "name": null,
+        "mapRendering": null
+      }
+    },
+    {
+      "builtin": "stairs",
+      "override": {
         "minzoom": 19
       }
     },