add Tab
open fun addTab(title: String, panel: <Error class: unknown class>, icon: String? = null, image: <Error class: unknown class>? = null, closable: Boolean = false, route: String? = null)
Creates and adds new tab component.
Parameters
title
title of the tab
panel
child component
icon
icon of the tab
image
image of the tab
closable
determines if this tab is closable
route
JavaScript route to activate given child