flex
fun Container.flexPanel(direction: FlexDirection? = null, wrap: FlexWrap? = null, justify: JustifyContent? = null, alignItems: AlignItems? = null, alignContent: AlignContent? = null, spacing: Int? = null, useWrappers: Boolean = false, className: String? = null, init: FlexPanel.() -> Unit? = null): FlexPanel
DSL builder extension function.
It takes the same parameters as the constructor of the built component.