adding more specific proptype

Author: vhoen

src/index.js

@@ -102,8 +102,14 @@ export default class extends Component {
   static propTypes = {
     horizontal: PropTypes.bool,
     children: PropTypes.node.isRequired,
-    containerStyle: PropTypes.any,
-    style: PropTypes.any,
+    containerStyle: PropTypes.oneOfType([
+      PropTypes.object,
+      PropTypes.number,
+    ]),
+    style: PropTypes.oneOfType([
+      PropTypes.object,
+      PropTypes.number,
+    ]),
     pagingEnabled: PropTypes.bool,
     showsHorizontalScrollIndicator: PropTypes.bool,
     showsVerticalScrollIndicator: PropTypes.bool,