Added ways to Region

OSMDatastructure/Region.cs

@@ -7,6 +7,7 @@ public class Region
 {
     [NonSerialized]public const float RegionSize = 0.1f;
     public readonly HashSet<OsmNode> nodes = new();
+    public readonly HashSet<OsmWay> ways = new();
     public ulong regionHash { get; }
     public TagManager tagManager { get; }