This indirection is required because event handlers in Karax need to have the type proc () or proc (ev: Event; n: VNode).
addEventHandler(tmp3, EventKind.onclick,
() => lines.add "Hello simulated universe", kxi)
these two ways found in readme, I dont using karax , doest know if there is dom
event to state binding syntax sugar like vue's v-model, but you can always get
value from event.target.value through browser native event.
