README: Fix link

Author: alexmercerind

README.md

@@ -1,6 +1,6 @@
 <h1 align="center"><a href="https://github.com/alexmercerind/dart_vlc">dart_vlc</a></h1>
 
-[![pub package](https://img.shields.io/pub/v/dart_vlc.svg)](https://pub.dartlang.org/packages/dart_vlc) ![CI/CD](https://github.com/alexmercerind/dart_vlc/actions/workflows/ci.yml/badge.svg?branch=master) [![Donate](https://img.shields.io/badge/Donate-PayPal-blue.svg)](https://paypal.me/alexmercerind) ![https://twitter.com/alexmercerind](https://img.shields.io/twitter/follow/alexmercerind)
+[![pub package](https://img.shields.io/pub/v/dart_vlc.svg)](https://pub.dartlang.org/packages/dart_vlc) ![CI/CD](https://github.com/alexmercerind/dart_vlc/actions/workflows/ci.yml/badge.svg?branch=master) [![Donate](https://img.shields.io/badge/Donate-PayPal-blue.svg)](https://paypal.me/alexmercerind) [![](https://img.shields.io/twitter/follow/alexmercerind)](https://twitter.com/alexmercerind)
 
 
 <h4 align="center">Flutter media playback, broadcast, recording & chromecast library for Windows, Linux & macOS.</h4>