My go at adding (some) Bootstrap 4 support

README.md

@@ -1,14 +1,20 @@
-# Bootlint
+# Bootlint-NG
 
+<!--
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 [![MIT License](https://img.shields.io/badge/license-MIT-blue.svg "MIT License")](https://github.com/twbs/bootlint/blob/master/LICENSE)
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+-->
 
-An HTML [linter](https://en.wikipedia.org/wiki/Lint_%28software%29) for [Bootstrap](https://getbootstrap.com/) projects
+A fork of [Bootlint](https://github.com/twbs/bootlint), an HTML [linter](https://en.wikipedia.org/wiki/Lint_%28software%29) for [Bootstrap](https://getbootstrap.com/) projects.
+
+Below is the README from the original for now. Some of the information might not apply, e.g. for the bookmarklet you would have to change the URL inside.
+
+---
 
 ## What's Bootlint?