code: func AddWindow(posX, posY, width, height int, title string) *Window {
  	window := CreateWindow(posX, posY, width, height, title)
  	window.SetBorder(comp.windowBorder)
  
  	comp.BeginUpdate()
  	comp.windows = append(comp.windows, window)
  	comp.EndUpdate()
  	window.Draw()
  	term.Flush()
  
  	comp.activateWindow(window)
  
  	RefreshScreen()
  
  	return window
  }
docs: // AddWindow constucts a new Window, adds it to the composer automatically,
  // and makes it active
  // posX and posY are top left coordinates of the Window
  // width and height are Window size
  // title is a Window title