feat: Implement settings dropdown and page components

- Added `SettingsDropdown` component for selecting settings sections with icons and descriptions.
- Created `SettingsPage` component to manage user settings, including account details, notifications, calendar availability, privacy, and appearance.
- Introduced `SettingsSwitcher` for selecting options within settings.
- Integrated command and dialog components for improved user interaction.
- Updated `UserDropdown` to include links for settings and logout.
- Refactored button styles and card footer layout for consistency.
- Added popover functionality for dropdown menus.
- Updated dependencies in `yarn.lock` for new components.

src/app/api/logout/route.ts

@@ -0,0 +1,8 @@
+import { signOut } from '@/auth';
+import { NextResponse } from 'next/server';
+
+export const GET = async () => {
+  await signOut();
+
+  return NextResponse.redirect('/login');
+};