Remove loggedIn token when user logs out.

views/index.html

@@ -4,6 +4,7 @@
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <meta name="theme-color" content="#F46036">
+    
     <title>Workout Tracker</title>
     <link rel="stylesheet" href="/index.css">
     <link rel="icon" href="/logo.svg" type="image/svg+xml">