docs: adds screen capture

README.md

@@ -7,7 +7,11 @@
 [![Dependency Status](https://david-dm.org/goblindegook/littlefoot.svg)](https://david-dm.org/goblindegook/littlefoot)
 [![devDependency Status](https://david-dm.org/goblindegook/littlefoot/dev-status.svg)](https://david-dm.org/goblindegook/littlefoot#info=devDependencies)
 
-littlefoot is a lightweight JavaScript library that creates exceptional footnotes. It was forked from [Bigfoot.js](https://github.com/lemonmade/bigfoot/) by [Chris Sauvé](https://github.com/lemonmade) and does not require jQuery.
+littlefoot is a lightweight JavaScript library that creates exceptional footnotes.
+
+<div align="center">
+  <img src="assets/littlefoot-demo.gif" alt="Screen recording of littlefoot in action">
+</div>
 
 Simply include the code on your pages and footnotes will be detected automatically and improved in the following ways:
 
@@ -21,6 +25,8 @@ Simply include the code on your pages and footnotes will be detected automatical
 
 This project includes the script itself and a default style to apply to the footnote buttons and popovers that are eventually generated. There are also a variety of additional styles that illustrate some of the possibilities for styling these components.
 
+littlefoot was forked from [Bigfoot.js](https://github.com/lemonmade/bigfoot/) by [Chris Sauvé](https://github.com/lemonmade). Unlike Bigfoot.js, littlefoot does not require jQuery.
+
 ## Installation
 
 Install using NPM: