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.

components/EmailResponder.tsx

@@ -224,9 +224,14 @@ export const EmailResponder: React.FC<EmailResponderProps> = ({
             {/* Toast */}
             {showToast && (
                 <Toast
-                    message={toastMessage}
-                    type={toastType}
-                    onClose={() => setShowToast(false)}
+                    toast={{
+                        id: 'email-toast',
+                        type: toastType,
+                        title: toastType === 'success' ? 'E-Mail gesendet!' : 'Fehler!',
+                        message: toastMessage,
+                        duration: 5000
+                    }}
+                    onRemove={() => setShowToast(false)}
                 />
             )}
         </>