fix: export TabRole type

Author: 47PADO47

packages/react-native-bottom-tabs/src/index.tsx

@@ -15,4 +15,4 @@ export { BottomTabBarHeightContext } from './utils/BottomTabBarHeightContext';
 /**
  * Types
  */
-export type { AppleIcon } from './types';
+export type { AppleIcon, TabRole } from './types';