Dev (#50)

* update

* cleanup

* fixing linting and tests errors

* Refactor API Parameter Handling and Update Email Transport

✅ Updated API Route Parameters:
- Changed parameter type from `{ id: string }` to `Promise<{ id: string }>` in PUT and DELETE methods for better async handling.

✅ Fixed Email Transport Creation:
- Updated `nodemailer.createTransporter` to `nodemailer.createTransport` for correct transport configuration.

✅ Refactored AnalyticsDashboard Component:
- Changed export from default to named export for better modularity.

✅ Enhanced Email Responder Toast:
- Updated toast structure to include additional properties for better user feedback.

🎯 Overall Improvements:
- Improved async handling in API routes.
- Ensured correct usage of nodemailer.
- Enhanced component exports and user notifications.

app/__tests__/components/Header.test.tsx

@@ -5,7 +5,8 @@ import '@testing-library/jest-dom';
 describe('Header', () => {
   it('renders the header', () => {
     render(<Header />);
-    expect(screen.getByText('DK')).toBeInTheDocument();
+    expect(screen.getByText('dk')).toBeInTheDocument();
+    expect(screen.getByText('0')).toBeInTheDocument();
     
     const aboutButtons = screen.getAllByText('About');
     expect(aboutButtons.length).toBeGreaterThan(0);