docs(README): reduce white space

Author: gruhn

README.md

@@ -48,8 +48,6 @@
     <img src="https://img.shields.io/npm/v/vue-qrcode-reader.svg" alt="npm current version">
   </a>
 
-  <br>
-
   <br>
   <br>
   <a href="https://gruhn.github.io/vue-qrcode-reader/api/QrcodeStream.html">documentation</a> |