Fix: Incorrect export declaration in TS typings (#132)

Fixes #131, related to #121

Author: stipsan

typings.d.ts

@@ -1,12 +1,14 @@
-export interface ScrollIntoViewIfNeededOptions {
+interface ScrollIntoViewIfNeededOptions {
   centerIfNeeded?: boolean;
   duration?: number;
   easing?: 'ease' | 'easeIn' | 'easeOut' | 'easeInOut' | 'linear';
 }
 
-export default function(
+declare function scrollIntoViewIfNeeded(
   node: Element,
   centerIfNeeded: boolean,
   options?: ScrollIntoViewIfNeededOptions,
   finalElement?: Element
 ): void;
+
+export = scrollIntoViewIfNeeded;