Move geometry primitives to OpenNest.Geometry namespace

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

OpenNest.Core/OpenNest.Core.csproj

@@ -60,15 +60,15 @@
     <Compile Include="CNC\SubProgramCall.cs" />
     <Compile Include="Math\Generic.cs" />
     <Compile Include="Geometry\Arc.cs" />
-    <Compile Include="BoundingBox.cs" />
-    <Compile Include="Box.cs" />
-    <Compile Include="BoxSplitter.cs" />
+    <Compile Include="Geometry\BoundingBox.cs" />
+    <Compile Include="Geometry\Box.cs" />
+    <Compile Include="Geometry\BoxSplitter.cs" />
     <Compile Include="Geometry\Circle.cs" />
     <Compile Include="Geometry\DefinedShape.cs" />
     <Compile Include="Geometry\Entity.cs" />
     <Compile Include="Geometry\EntityType.cs" />
     <Compile Include="Helper.cs" />
-    <Compile Include="IBoundable.cs" />
+    <Compile Include="Geometry\IBoundable.cs" />
     <Compile Include="Geometry\Layer.cs" />
     <Compile Include="Geometry\Line.cs" />
     <Compile Include="OffsetSide.cs" />
@@ -76,10 +76,10 @@
     <Compile Include="RelativePosition.cs" />
     <Compile Include="RotationType.cs" />
     <Compile Include="Geometry\Shape.cs" />
-    <Compile Include="Size.cs" />
+    <Compile Include="Geometry\Size.cs" />
     <Compile Include="Math\Tolerance.cs" />
     <Compile Include="Units.cs" />
-    <Compile Include="Vector.cs" />
+    <Compile Include="Geometry\Vector.cs" />
     <Compile Include="IPostProcessor.cs" />
     <Compile Include="NestConstraints.cs" />
     <Compile Include="Sequence.cs" />
@@ -94,7 +94,7 @@
     <Compile Include="ConvertProgram.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="DwgQty.cs" />
-    <Compile Include="Spacing.cs" />
+    <Compile Include="Geometry\Spacing.cs" />
     <Compile Include="Timing.cs" />
     <Compile Include="TimingInfo.cs" />
     <Compile Include="Math\Trigonometry.cs" />