added favicon

dist/index.html

     <meta charset='utf-8' />
     <meta name="viewport" content="width=device-width, user-scalable=no">
     <title>Tracim</title>
-    <link rel='shortcut icon' href='favicon.ico'>
+    <link rel='shortcut icon' type='image/x-icon' href='/asset/favicon.ico' >
 
     <link rel="stylesheet" type="text/css" href="/font/font-awesome-4.7.0/css/font-awesome.css">
     <link href="https://fonts.googleapis.com/css?family=Quicksand:300,400,500,700" rel="stylesheet">