Add example gif in README.md

Author: karl-run

README.md

@@ -1,7 +1,9 @@
-# react-bottom-scroll-listener [![NPM version](https://img.shields.io/npm/v/react-bottom-scroll-listener.svg?style=flat)](https://www.npmjs.com/package/react-bottom-scroll-listener)  [![npm bundle size (minified)](https://img.shields.io/bundlephobia/minzip/react-bottom-scroll-listener.svg)](https://github.com/karl-run/react-css-vars)
+# react-bottom-scroll-listener [![NPM version](https://img.shields.io/npm/v/react-bottom-scroll-listener.svg?style=flat)](https://www.npmjs.com/package/react-bottom-scroll-listener)  [![npm bundle size (minified)](https://img.shields.io/bundlephobia/minzip/react-bottom-scroll-listener.svg)](https://github.com/karl-run/react-bottom-scroll-listener)
 
 A simple React component that lets you listen for when you have scrolled to the bottom.
 
+![Example](./example.gif)
+
 ## Installation
 
 npm: