Moved BindingGenerator from gen html project. It makes more sense here.

Sources/BindingGenerator/Generated/Elements/Optgroup.swift

@@ -0,0 +1,70 @@
+//
+//  Optgroup.swift
+//  HTMLStandard
+//
+//  Generated on 09/23/2025. 
+//  THIS FILE IS GENERATED. DO NOT EDIT.
+//
+import Foundation
+
+/// <optgroup> Group of options in a list box
+public class Optgroup : HTMLNode {
+
+    /// Whether the form control is disabled.
+    public var disabled:Bool = false
+
+    /// User-visible label.
+    public var label:String? = nil
+
+
+    public init(_ attributes:[String:String], _ parser:XMLParser? = nil) throws {
+        var globalAttr = GlobalAttributesBuilder()
+        for (key, attValue) in attributes {
+            switch (key) {
+                case "disabled":
+                    disabled = true
+                    continue
+                case "label":
+                    label = attValue
+                    continue
+
+                default: break
+            }
+            if globalAttr.trySetGlobalAttribute(key, attValue) {
+                continue
+            }
+            continue
+        }
+        var allItems:[HTMLNode] = []
+        while let obj = try parser?.readObject(endTag: "optgroup", xmlToHtmlMapper) {
+            allItems.append(obj)
+        }
+        super.init(globalAttr, allItems)
+    }
+
+
+    public func addChild(_ someElement:IScriptSupporting) {
+        children.append(someElement)
+    }
+
+     public override func renderAttributes() -> String {
+         var result = super.renderAttributes()
+         if disabled {
+             result += " disabled"
+         }
+         if let label = label {
+             result += " label='\(label)'"
+         }
+
+         
+         return result
+     }
+     
+     override var nodeName: String {
+         return "optgroup"
+     }
+     
+     override var isVoidElement: Bool {
+         return false
+     }
+}