fix: fix song directory href

JavaScript/Visualiser/index.html

@@ -15,7 +15,7 @@ <h1>Visualiser Test</h1>
 
 <input id="filechange"></input>
 <button onclick="changeSound()">song</button>
-<p>if you want to change the song you're gonna need to know my dir of songs so <a href="./songs">here you go</a> - put in the song file name (e.g "1.mp3") and nothing else then click the button</p>
+<p>if you want to change the song you're gonna need to know my dir of songs so <a href="https://github.com/bqsi/grasp/tree/main/JavaScript/Visualiser/songs">here you go</a> - put in the song file name (e.g "1.mp3") and nothing else then click the button</p>
 
 <details>
 <summary>⚠️</summary>
@@ -151,4 +151,4 @@ <h1>Visualiser Test</h1>
 
 </script>
 
-</html>
+</html>