Add payment processing and device management features

- Introduced createPayment action for handling payment creation.
- Added PaymentsTable component for displaying payment records with pagination.
- Implemented new PaymentPage for viewing individual payment details and associated devices.
- Refactored DeviceCartDrawer to integrate payment creation and device selection.
- Enhanced DevicesToPay component to display devices based on payment status.
- Updated PriceCalculator component for better user input handling.
- Introduced NumberInput component for consistent number input across forms.
- Modified Prisma schema to include new fields for payments and devices.
- Improved overall user experience with responsive design adjustments and new UI elements.

lib/auth-guard.ts

@@ -12,3 +12,13 @@ export async function AdminAuthGuard() {
 	}
 	return true;
 }
+
+export async function hasSession() {
+	const session = await auth.api.getSession({
+		headers: await headers(),
+	});
+	if (!session) {
+		return redirect("/login");
+	}
+	return true;
+}