[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

types/react-native-app-intro-slider/index.d.ts

@@ -1,11 +1,12 @@
 // Type definitions for react-native-app-intro-slider 3.0
 // Project: https://github.com/jacse/react-native-app-intro-slider
 // Definitions by: Haseeb Majid <https://github.com/hmajid2301>
+//                 Oliver Welter <https://github.com/oliverwelter>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 3.1
 
 import * as React from 'react';
-import { ButtonProps, TextProps, ViewStyle } from 'react-native';
+import { TextProps, ViewStyle } from 'react-native';
 
 export interface AppIntroProps {
     skipLabel?: string;
@@ -13,11 +14,11 @@ export interface AppIntroProps {
     nextLabel?: string;
     prevLabel?: string;
     bottomButton?: boolean;
-    buttonStyle?: ButtonProps;
+    buttonStyle?: ViewStyle;
     buttonTextStyle?: TextProps;
     dotStyle?: ViewStyle;
     activeDotStyle?: ViewStyle;
-    paginationStyle?: TextProps;
+    paginationStyle?: ViewStyle;
     hidePagination?: boolean;
     renderNextButton?: () => void;
     renderPrevButton?: () => void;