$type: Menu
name:

# Relace child data by game objct
background:
items:
    - $type:
      # ...
      $next:
          - $type:
            # ...
            $next:
                - $type:
                  # ...
      
# ----

orientation:
subMenuSide:
easeIn:
# easeIn:
#     duration:
#     orientation:
#     ease:
easeOut:
# easeOut:
#     duration:
#     orientation:
#     ease:

draggable: