feat: add pathfinding

Client/Domain/Service/AsyncPathMoverInterface.cs

@@ -0,0 +1,18 @@
+using Client.Domain.DTO;
+using Client.Domain.ValueObjects;
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Client.Domain.Service
+{
+    public interface AsyncPathMoverInterface
+    {
+        public ObservableCollection<PathSegment> Path { get; }
+        public Task<bool> MoveAsync(Vector3 location);
+        public Task MoveUntilReachedAsync(Vector3 location);
+    }
+}