Can u Please Helpme please guide how to creat this entire app Employee Leave management System Build a Leave Management System, where employees can request leaves, managers can approve or reject those requests, and the HR team can Oversee all leave transactions. Core Functionalities: 1. Apply Leave for Employee- Employees can request leaves by selecting dates, leave type, and adding comments. 2. Manager- Manager gets a list of pending leave request for their team and can approve/reject them with comments. Auto Approval – System should auto approve if leaves approval/rejection gets pending from manager for more than a week. 3. Leave Balance Management - Track leave balances dynamically and adjust automatically. Display remaining leave balances on the employee dashboard. 4. Leave Carry-Forward - Implement rules to carry forward unused leave balances to the next year. 5. Notifications and Alerts – Send emails/notifications for leave approval, rejection, or cancellation. Low leave balance warnings and reminders for pending approvals. 6. Leave Calendar View - Display approved leaves and public holidays on an interactive calendar . 7. Leave History Reports - Generate detailed reports with filters and export as PDF/Excel. 8. Leave Policies Management (Admin Functionality) - Configure leave types, policies, and public holidays dynamically.