V3 HelixToolkit.Geometry namespace is not consistency about helix-toolkit

[holance]

Change to HelixToolkit.Geometry.

[MauNguyenVan]

Ok, I will change and push it.

[MauNguyenVan]

Btw, what about HelixToolkit.SharpDX project , it's also the inconsistan namespace's name , iremember its has three or four namespace

helix-toolkit/Source/HelixToolkit.SharpDX/Core2D/BorderRenderCore2D.cs

Lines 1 to 14 in c4cfeba

	using SharpDX;
	using SharpDX.Mathematics.Interop;
	using D2D = SharpDX.Direct2D1;
	namespace HelixToolkit.SharpDX.Core2D;
	/// <summary>
	///
	/// </summary>
	public class BorderRenderCore2D : RenderCore2DBase
	{
	private readonly PathRenderCore2D[] borderRenderCore = new PathRenderCore2D[4] { new PathRenderCore2D(), new PathRenderCore2D(), new PathRenderCore2D(), new PathRenderCore2D() };
	private bool isBorderGeometryChanged = false;

[holance]

SharpDX project is ok for now.