added loading overlay on socket.io server connection

public/js/app.js

@@ -97,10 +97,10 @@ function startApp() {
 		$('#login_input_arl').val(arl)
 	}
 	if ('true' === localStorage.getItem('slimDownloads')) {
-		document.getElementById("download_list").classList.add("slim")
+		document.getElementById('download_list').classList.add('slim')
 	}
 	let spotifyUser = localStorage.getItem('spotifyUser')
-	if (spotifyUser != ''){
+	if (spotifyUser != '') {
 		socket.emit('update_userSpotifyPlaylists', spotifyUser)
 	}
 	// Open default tab

public/js/modules/socket.js

@@ -1 +1,5 @@
 export const socket = io.connect(window.location.href)
+
+socket.on('connect', () => {
+	document.getElementById('loading_overlay').classList.remove('active')
+})