long candy support

VisionBuilder.UI.Common/Plugins/PluginSettings.cs

@@ -7,6 +7,8 @@ namespace VisionBuilder.UI.Common.Plugins;
 
 public class PluginSettings:ISettings
 {
+    private List<PluginFlag> _plugins = new List<PluginFlag>();
+
     public class PluginFlag
     {
         public bool Enabled { get; set; }
@@ -18,7 +20,27 @@ public class PluginSettings:ISettings
         }
     }
 
-    public List<PluginFlag> Plugins { get; set; } = new List<PluginFlag>();
+    public void AddPlugin(PluginFlag plugin)
+    {
+        if (_plugins.All(p => p.Name != plugin.Name))
+        {
+            _plugins.Add(plugin);
+        }
+    }
+
+    public List<PluginFlag> Plugins
+    {
+        get => _plugins;
+        set
+        {
+            // add unique only
+            foreach (var plugin in value)
+            {
+                AddPlugin(plugin);
+            }
+        }
+    }
+
     public void RegisterSettings(InspectronSettings settings)
     {
         settings.RegisterSimple(this, () => this.Plugins,"Plugins",nameof(Plugins));