added a chime playback

src/gui/src/initgui.js

@@ -152,6 +152,11 @@ if(jQuery){
     };
 }
 
+window.playStartUpChime = ()=>{
+    let audio = new Audio('/src/audio/puter_chime.mp3');
+    audio.play();
+}
+
 window.initgui = async function(options){
     let url = new URL(window.location);
     url = url.href;