navigator.md

## navigator

<!-- UTSCOMJSON.navigator.description -->

<!-- UTSCOMJSON.navigator.attrubute -->

<!-- UTSCOMJSON.navigator.event -->

<!-- UTSCOMJSON.navigator.example -->

<!-- UTSCOMJSON.navigator.compatibility -->

<!-- UTSCOMJSON.navigator.children -->

<!-- UTSCOMJSON.navigator.reference -->