feat: add LeadConfig, CutOffConfig, and ThicknessConfig data models

OpenNest.Data/CutOffConfig.cs

@@ -0,0 +1,9 @@
+namespace OpenNest.Data;
+
+public class CutOffConfig
+{
+    public double PartClearance { get; set; } = 0.02;
+    public double Overtravel { get; set; }
+    public double MinSegmentLength { get; set; } = 0.05;
+    public string Direction { get; set; } = "AwayFromOrigin";
+}