Enhance CarModifications component by integrating API calls for fetching modifications and customers, implementing a dialog for adding modifications to customers, and improving error and success message handling. Refactor state management and UI elements for better user experience.

server.js

@@ -24,6 +24,7 @@ app.use('/api/auth', require('./routes/auth'));
 app.use('/api/users', require('./routes/users'));
 app.use('/api/customers', require('./routes/customers'));
 app.use('/api/contacts', require('./routes/contacts'));
+app.use('/api/modifications', require('./routes/modifications'));
 
 const PORT = process.env.PORT || 5000;
 app.listen(PORT, () => console.log(`Server running on port ${PORT}`));