Add support of parking=multi-storey to amenity=parking_entrance (#3599)

Render svg icon for `amenity=parking_entrance` + `parking=multi-storey`
Rename current parking_entrance.svg to parking_entrance_underground.svg

amenity-points.mss

@@ -1446,7 +1446,8 @@
       [feature = 'amenity_parking'] { marker-file: url('symbols/amenity/parking.svg'); }
       [feature = 'amenity_bicycle_parking'] { marker-file: url('symbols/amenity/bicycle_parking.svg'); }
       [feature = 'amenity_motorcycle_parking'] { marker-file: url('symbols/amenity/motorcycle_parking.svg'); }
-      [feature = 'amenity_parking_entrance'] { marker-file: url('symbols/amenity/parking_entrance.svg'); }
+      [feature = 'amenity_parking_entrance']["parking"='underground'] { marker-file: url('symbols/amenity/parking_entrance_underground.svg'); }
+      [feature = 'amenity_parking_entrance']["parking"='multi-storey'] { marker-file: url('symbols/amenity/parking_entrance_multistorey.svg'); }
       marker-clip: false;
       marker-fill: @transportation-icon;
       [access != ''][access != 'permissive'][access != 'yes'] { marker-opacity: 0.33; }
@@ -2924,7 +2925,7 @@
   [feature = 'amenity_parking'],
   [feature = 'amenity_bicycle_parking'],
   [feature = 'amenity_motorcycle_parking'],
-  [feature = 'amenity_parking_entrance'] {
+  [feature = 'amenity_parking_entrance']["parking"='underground'] {
     [zoom >= 14][way_pixels > 3000],
     [zoom >= 18] {
       text-name: "[name]";

project.mml

@@ -1446,6 +1446,7 @@ Layer:
                     THEN CONCAT(ROUND((tags->'height')::NUMERIC)::TEXT, U&'\00A0', 'm') ELSE NULL END
                   )
                 ) AS name,
+                tags->'parking' as "parking",
               COALESCE(
                 'aeroway_' || CASE WHEN aeroway IN ('gate', 'apron', 'helipad', 'aerodrome') THEN aeroway ELSE NULL END,
                 'tourism_' || CASE WHEN tourism IN ('alpine_hut', 'apartment', 'artwork', 'camp_site', 'caravan_site', 'chalet', 'gallery', 'guest_house',
@@ -1499,7 +1500,7 @@ Layer:
                 'amenity_' || CASE WHEN amenity IN ('bicycle_parking', 'motorcycle_parking') THEN amenity ELSE NULL END,
                 'amenity_' || CASE WHEN amenity IN ('parking') AND (tags->'parking' NOT IN ('underground') OR (tags->'parking') IS NULL) THEN amenity ELSE NULL END,
                 'amenity_' || CASE WHEN amenity IN ('parking_entrance')
-                                        AND tags->'parking' IN ('underground')
+                                        AND tags->'parking' IN ('multi-storey', 'underground')
                                         AND (access IS NULL OR access NOT IN ('private', 'no'))
                                         AND way_area IS NULL
                                    THEN amenity ELSE NULL END,