Add purchase orders page with some bugs left

inventory-server/src/server.js

@@ -9,6 +9,7 @@ const dashboardRouter = require('./routes/dashboard');
 const ordersRouter = require('./routes/orders');
 const csvRouter = require('./routes/csv');
 const analyticsRouter = require('./routes/analytics');
+const purchaseOrdersRouter = require('./routes/purchase-orders');
 
 // Get the absolute path to the .env file
 const envPath = path.resolve(process.cwd(), '.env');
@@ -79,6 +80,7 @@ app.use('/api/dashboard', dashboardRouter);
 app.use('/api/orders', ordersRouter);
 app.use('/api/csv', csvRouter);
 app.use('/api/analytics', analyticsRouter);
+app.use('/api/purchase-orders', purchaseOrdersRouter);
 
 // Basic health check route
 app.get('/health', (req, res) => {