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

vite.config.ts

@@ -24,6 +24,10 @@ export default defineConfig({
         target: "http://localhost:10002",
         changeOrigin: true
       },
+      "/signout": {
+        target: "http://localhost:10002",
+        changeOrigin: true
+      },
       "/profile": {
         target: "http://localhost:10002",
         changeOrigin: true