feat: add dynamic component (#1703)

* feat: weakly-typed/dynamic component

* add TypeName support

* override BuildRenderTree instead of using a RenderFragment

* rename

components/core/DynamicComponent/Component.cs

@@ -0,0 +1,52 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using Microsoft.AspNetCore.Components;
+using Microsoft.AspNetCore.Components.Rendering;
+
+namespace AntDesign
+{
+    public class Component : ComponentBase
+    {
+        static Assembly _antAssembly;
+
+        [Parameter]
+        public Type Type { get; set; }
+
+        [Parameter]
+        public string TypeName
+        {
+            set
+            {
+                if (Type != null) return;
+                _antAssembly ??= Assembly.GetExecutingAssembly();
+                Type componentType =
+                    _antAssembly.GetType($"AntDesign.{value}") ??
+                    _antAssembly.GetType(value) ??
+                    Type.GetType(value);
+                if (componentType == null)
+                {
+                    throw new ArgumentException($"Not found the component with the name \"{value}\"", nameof(TypeName));
+                }
+                Type = componentType;
+            }
+        }
+
+        [Parameter(CaptureUnmatchedValues = true)]
+        public IDictionary<string, object> Parameters { get; set; }
+
+        protected override void BuildRenderTree(RenderTreeBuilder builder)
+        {
+            builder.OpenComponent(0, Type);
+            if (Parameters != null)
+            {
+                builder.AddMultipleAttributes(1, Parameters);
+            }
+            builder.CloseComponent();
+        }
+    }
+}