Profile + Edit Bio + Logout + styling

- Added handler for editing bio to handlers.js
- Added openProfile() and closeProfile() buttons in AppWindowContainer (Profile page is global)
- Added Logout and Profile functionality to Sidebar.js
  - SidebarItem(text).onClick() fires twice, unable to resolve
- Adjust Login page styling
- Added onLogout() to index.js (removes auth_token)
- Added Profile.js, displays user's profile picture (placeholder), name, and bio. User can edit bio.
- Added removeAuthToken() to util.js
- Added /signout to vite config

src/util.js

@@ -18,6 +18,10 @@ export default class util {
         });
     }
 
+    static async removeAuthToken() {
+        await Preferences.remove({ key: 'auth_token'})
+    }
+
     static cssVariable(value) {
         return getComputedStyle(document.documentElement)
         .getPropertyValue("--" + value)