add road-related fields to busway preset (#1127)

* add road-related fields to busway preset

* remove duplicate field

Author: k-yle

data/presets/highway/busway.json

@@ -2,13 +2,23 @@
     "icon": "temaki-bus",
     "fields": [
         "name",
-        "operator",
         "oneway",
+        "maxspeed",
+        "lanes",
+        "surface",
+        "operator",
         "structure",
         "covered"
     ],
     "moreFields": [
         "bridge/ref",
+        "lit",
+        "maxaxleload_bridge",
+        "maxheight",
+        "maxlength",
+        "maxspeed/advisory",
+        "maxweight_bridge",
+        "maxwidth",
         "trolley_wire"
     ],
     "geometry": [