Remove bootstrap dependency

src/routes/+layout.svelte

@@ -1,9 +1,6 @@
 <script>
     import Nav from '../components/Nav.svelte';
-    import userManager from '../components/UserManager.svelte'
     import Modal from '../components/Modal.svelte'
-
-    export let segment;
 </script>
 
 <style>
@@ -23,8 +20,8 @@
 </style>
 
 <Modal/>
-<Nav {segment} rightComponent={userManager}/>
+<Nav/>
 
 <slot></slot>
 
-<footer></footer>
+<footer class="container"></footer>