restructure text editors and static assets

Oqtane.Client/Modules/Controls/TextEditors/Radzen/RadzenTextEditorSetting.cs

@@ -0,0 +1,11 @@
+namespace Oqtane.Modules.Controls
+{
+    public class RadzenEditorSetting
+    {
+        public string Theme {  get; set; }
+
+        public  string Background {  get; set; }
+
+        public string ToolbarItems {  get; set; }
+    }
+}