Enhance user management and payment processing features

- Updated `package.json` to include a new script for launching Prisma Studio.
- Modified `signup` function in `auth-actions.ts` to include account number in user data.
- Refactored `createPayment` function in `payment.ts` to improve error handling and return structured responses.
- Updated UI components in the dashboard to improve layout and responsiveness, including changes to `UserDevices` and `UserPayments` pages.
- Introduced new `AdminDevicesTable` and `UsersPaymentsTable` components for better admin functionalities.
- Enhanced `DeviceCartDrawer` to provide user feedback during payment processing.
- Added account number input to the signup form and updated validation schema accordingly.
- Updated Prisma schema to include a new `ninja_user_id` field for user management.

These changes improve the overall functionality, maintainability, and user experience of the application, particularly in user management and payment processing.

components/devices-to-pay.tsx

@@ -132,6 +132,10 @@ export default function DevicesToPay({
               <TableCell>Total Devices</TableCell>
               <TableCell className="text-right text-xl">{devices?.length}</TableCell>
             </TableRow>
+            <TableRow>
+              <TableCell>Duration</TableCell>
+              <TableCell className="text-right text-xl">{payment?.numberOfMonths} Months</TableCell>
+            </TableRow>
           </TableBody>
           <TableFooter>
             <TableRow className="">