将Feature/XP.Common和Feature/XP.Hardware分支合并至Develop/XP.forHardwareAndCommon，完善XPapp注册和相关硬件类库通用类库功能。

XP.Hardware.PLC.Sentry/Views/SignalMonitorView.xaml.cs

@@ -0,0 +1,15 @@
+using System.Windows.Controls;
+
+namespace XP.Hardware.PLC.Sentry.Views
+{
+    /// <summary>
+    /// 信号监控视图 | Signal monitor view
+    /// </summary>
+    public partial class SignalMonitorView : UserControl
+    {
+        public SignalMonitorView()
+        {
+            InitializeComponent();
+        }
+    }
+}