优化更新代码，添加界面功能并整合

ShrlAlgo.RvKits/ModelManager/TemplateManagerCmd.cs

@@ -0,0 +1,17 @@
+using Autodesk.Revit.Attributes;
+
+using Nice3point.Revit.Toolkit.External;
+
+
+namespace ShrlAlgo.RvKits.ModelManager;
+
+[Transaction(TransactionMode.Manual)]
+[Regeneration(RegenerationOption.Manual)]
+internal class TemplateManagerCmd : ExternalCommand
+{
+    public override void Execute()
+    {
+        var view = new TemplateManagerView() { DataContext = new TemplateManagerViewModel() };
+        view.ShowDialog();
+    }
+}