Show logo during browser load instead of spinner

src/view-browser.html

@@ -17,7 +17,7 @@
     <button id='open-file-button' class='center' style='top: 200px; width: 150px; display: none;'>Open ONNX Model...</button>
 </div>
 <div id='clock' class='background' style='display: none;'>
-    <img class='center' src='spinner.svg' width='124' height='124'>
+    <img class='center' src='logo.svg' width='124' height='124'>
 </div>
 <svg id='graph' class='graph' preserveAspectRatio='xMidYMid meet'></svg>
 <div id='sidebar' class='sidebar'>