Created seperate PathNode class for Json Serialization

API/Program.cs

@@ -1,4 +1,5 @@
 using OSMDatastructure.Graph;
+using Pathfinding;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -15,7 +16,7 @@ var app = builder.Build();
 
 app.MapGet("/getRoute", (float latStart, float lonStart, float latEnd, float lonEnd) =>
     {
-        List<OsmNode> path = Pathfinding.Pathfinder.CustomAStar("D:/stuttgart-regbez-latest", new Coordinates(latStart, lonStart), new Coordinates(latEnd, lonEnd),
+        List<PathNode> path = Pathfinder.CustomAStar("D:/stuttgart-regbez-latest", new Coordinates(latStart, lonStart), new Coordinates(latEnd, lonEnd),
             Tag.SpeedType.car);
         return path;
     }