Readme updated

Author: mrkaluzny

readme.md

@@ -6,7 +6,7 @@ Widgets are inputs for the Netlify CMS editor interface. It's a React component
 
 This widget allows you to create custom permalinks that can be used to generate pathnames for Netlify CMS based websites. The widget mimics the behaviour of WordPress permalink input field automatically outputting correct slugs.
 
-![Permalink widget](ezgif-5-f5c945ae99.gif)
+![Permalink widget](./assets/ezgif-5-f5c945ae99.gif)
 
 ## Installation