[react-native-app-intro-slider] - Use type ViewStyle for prope… (#42641)
[react-native-app-intro-slider] - Use type ViewStyle for prope… (#42641)

* Changes type of buttonStyle and paginationStyle to ViewStyle

* Remove obsolete type import

* Update definitions by section

georgemarshall/DefinitelyTyped,dsebastien/DefinitelyTyped,dsebastien/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,mcliment/DefinitelyTyped,markogresak/DefinitelyTyped