feat: Add WebView2 backend integration for React UI

- Add WebView2 support to STDLabelAttach project
- Create MachineBridge.cs for JavaScript-C# communication
  - GetConfig/SaveConfig using SETTING.Data reflection
  - Recipe management (CRUD operations)
  - IO control interface
  - Motion control simulation
- Add WebSocketServer.cs for HMR development support
- Update fWebView.cs with PLC simulation and status updates
- Integrate with existing project settings (Data/Setting.json)
- Add virtual host mapping (http://hmi.local → FrontEnd/dist)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

Handler/Project/fMain.cs

@@ -486,8 +486,12 @@ namespace Project
             thConnection.IsBackground = true;
             thConnection.Start();
 
+
+            fwebview = new fWebView();
+            fwebview.Show();
         }
 
+        Dialog.fWebView fwebview = null;
 
         private void Plc_ValueChanged(object sender, AR.MemoryMap.Core.monitorvalueargs e)
         {