Add documentation about nodes property

CHANGELOG.md

@@ -9,6 +9,7 @@
      - paramater `annotate` was renamed to `annotations`.
      - `annotation` as accidentally placed in `Route` instead of `RouteLeg`
      - Support for destination signs. New member `destinations` in `RouteStep`, based on `destination` and `destination:ref`.
+     - Add `nodes` property to `annotation` in `RouteLeg` containing the ids of nodes covered by the route
 
    - Profile changes:
      - `result.destinations` allows you to set a way's destinations

docs/http.md

@@ -413,7 +413,8 @@ With `steps=false` and `annotations=true`:
   "steps": []
   "annotation": {
     "distance": [5,5,10,5,5],
-    "duration": [15,15,40,15,15]
+    "duration": [15,15,40,15,15],
+    "nodes": [49772551,49772552,49786799,49786800,49786801,49786802]
   }
 }
 ```