fix: add back default export for InView (#382)

This will be removed in 9.0.0

Author: thebuilder

src/index.tsx

@@ -1,7 +1,8 @@
 import * as React from 'react';
-
+import { InView } from './InView';
 export { InView } from './InView';
 export { useInView } from './useInView';
+export default InView;
 
 type Omit<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>>;