feat: add IRapidPlanner, RapidPath, and SafeHeightRapidPlanner

OpenNest.Engine/RapidPlanning/SafeHeightRapidPlanner.cs

@@ -0,0 +1,17 @@
+using System.Collections.Generic;
+using OpenNest.Geometry;
+
+namespace OpenNest.Engine.RapidPlanning
+{
+    public class SafeHeightRapidPlanner : IRapidPlanner
+    {
+        public RapidPath Plan(Vector from, Vector to, IReadOnlyList<Shape> cutAreas)
+        {
+            return new RapidPath
+            {
+                HeadUp = true,
+                Waypoints = new List<Vector>()
+            };
+        }
+    }
+}