migrate doc to wwwroot.

Geom/DemoBuildGeom.cs

@@ -4,12 +4,21 @@ using Hi.Mech.Topo;
 
 namespace Sample.Geom
 {
+    /// <summary>
+    /// Demonstrates the creation and manipulation of geometric objects in HiAPI.
+    /// Shows how to create and transform various geometry types including boxes, cylindroids, and STL files.
+    /// </summary>
     /// <remarks>
     /// ### Source Code
     /// [!code-csharp[SampleCode](~/../Hi.Sample/Geom/DemoBuildGeom.cs)]
     /// </remarks>
     public static class DemoBuildGeom
     {
+        /// <summary>
+        /// Generates a collection of geometric objects for demonstration purposes.
+        /// Creates various geometry types including boxes, cylindroids, STL files, and transformed geometries.
+        /// </summary>
+        /// <returns>A list of geometries implementing the IGetStl interface</returns>
         public static List<IGetStl> GenGeoms()
         {
             Box3d box = new Box3d(0, 0, -50, 70, 50, 0);

Geom/DemoIExpandToBox3d.cs

@@ -3,6 +3,10 @@ using System;
 
 namespace Sample.Geom
 {
+    /// <summary>
+    /// Demonstrates how to create and calculate bounding boxes for different geometric objects.
+    /// Shows the use of Box3d to encompass multiple geometric elements with a single boundary.
+    /// </summary>
     /// <remarks>
     /// ### Source Code
     /// [!code-csharp[SampleCode](~/../Hi.Sample/Geom/DemoIExpandToBox3d.cs)]