Add npm version badge to README

Author: sambecker

README.md

@@ -1,3 +1,5 @@
+[![npm version](https://badge.fury.io/js/use-typing-headlines.svg)](https://badge.fury.io/js/use-typing-headlines)
+
 # 💻 useTypingHeadlines
 
 React hook designed to display animated headlines
@@ -81,4 +83,4 @@ const Component = () => {
     </div>;
   </>;
 }
-```
+```