release v1.5.5

src/Shared/HandyControl_Shared/Controls/Panel/Col.cs

@@ -0,0 +1,9 @@
+using System.Windows.Controls;
+
+namespace HandyControl.Controls
+{
+    public class Col : Panel
+    {
+        
+    }
+}

src/Shared/HandyControl_Shared/Controls/Panel/Row.cs

@@ -0,0 +1,9 @@
+using System.Windows.Controls;
+
+namespace HandyControl.Controls
+{
+    public class Row : Panel
+    {
+        
+    }
+}