update readme

Author: Dominic Rico Gómez

README.md

@@ -1,5 +1,7 @@
-<img src="/logo.svg?raw=true&sanitize=true" height="200" alt="Slackify"/>
+<img src="/logo.svg?raw=true&sanitize=true" height="200" alt="Songify"/>
 
-# Slackify
-Slackify posts your current Spotify song to your Slack status.<br>
-[https://slackify.dev](https://slackify.dev)
+# Songify
+
+Songify posts your current Spotify song to your Slack status.<br>
+
+[https://songify.io](https://songify.io)