class Avo::Resources::Items::ItemGroup::Builder

def build

Fetch the tab 
def build
  @panel.items_holder = @items_holder
  @panel
end

def initialize(parent:, name: nil, **args) 

def initialize(parent:, name: nil, **args)
  @panel = Avo::Resources::Items::Panel.new(name: name, **args)
  @items_holder = Avo::Resources::Items::Holder.new(from: self.class, parent: parent)
end