* add option to disable tabbar icon tints and add custom selected icons

*  update docs for disabling tabbar icon tint and selectedIcon

* move new options to ios-specific section in docs

* delete trailing comma in docs

* refactored navigation options

* test fix

* better namings

* tabBarItem support

* apply tab items on tabController initialization

* e2e test

* refactored bottomTab item

* tests fix

* tabItem testID fix

* renamed tabBadge to badge

* fix merge

* BottomTab fix

* removed BottomTabs