[Version 5.0.0] Various updates.

- Utlity plugin is now more functional. No longer gets extended to
components at the prototype level. Will provide more flexibility with
enabling arrow-trapping on accordions in future versions.
- Updates docs to reflect utility changes.

Author: george

app/docs/download.md

@@ -17,7 +17,7 @@ The quickest way to use Undernet is to link the bundled js and minified css usin
 <script
   type="text/javascript"
   src="https://cdn.jsdelivr.net/npm/undernet@4.5.1/dist/undernet.bundle.min.js"
-  integrity="sha256-cbIE9XCnrxryabwtg3wflr5BwZJd6EZ5ISVFgL+aVvM="
+  integrity="sha256-Q4Rl87K67J8ZyOdMXU2D3P2HdyvpQcSAjIPsu6OgFGI="
   crossorigin="anonymous"
 ></script>
 <script type="text/javascript">

bin/banner.js

@@ -8,4 +8,4 @@ const banner = `/*!
   * Copyright 2017-${year} ${pkg.author}
   */`
 
-export default banner
+module.exports = banner