add a simple plugin system

Pilz.Plugins.Advanced/PluginModuleUI.cs

@@ -0,0 +1,22 @@
+using Pilz.UI.Telerik.Dialogs;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace Pilz.Plugins.Advanced
+{
+    public class PluginModuleUI : FlyoutDialogBase, ILoadContent
+    {
+        public PluginModuleUI()
+        {
+            ActionPanelVisible = false;
+        }
+
+        public virtual void LoadContent()
+        {
+        }
+    }
+}