SwipeEnabled: Let the user swipe between screens
AnimationEnabled: show a smooth transition animation between screens
Lazy: If true, only loads the screen the user has open at a time. If false, loads all screens when the Navigator is opened.
BackgroundColor: Set background Color
tabIndicatorColor: Set color of the line that displays beneath your active tab
activeTintColor: Set color of the tab you are currently viewing
inactiveTintColor: Set color of the tabs you are not currently viewing
showIcon: Show tab Icons in Navigator
showLabel: Show tab Labels in Navigator