Parent is now mandatory when creating a new BaseInstance class

src/myfasthtml/controls/Layout.py

@@ -84,7 +84,7 @@ class Layout(SingleInstance):
     def get_content(self):
       return self._content
   
-  def __init__(self, session, app_name):
+  def __init__(self, session, app_name, parent=None):
     """
     Initialize the Layout component.
 
@@ -93,7 +93,7 @@ class Layout(SingleInstance):
         left_drawer (bool): Enable left drawer. Default is True.
         right_drawer (bool): Enable right drawer. Default is True.
     """
-    super().__init__(session, Ids.Layout)
+    super().__init__(session, Ids.Layout, parent)
     self.app_name = app_name
     
     # Content storage