zongzewu23/employee-management-system

AI Summary: Implement JWT authentication with refresh tokens, role-based authorization (ADMIN/USER), and persistent login functionality for a Spring Boot backend and React frontend employee management system. This involves creating user entities, JWT utilities, authentication controllers, security configurations, and integrating JWT authentication into both the backend and frontend.

AI Summary: Add a `data.sql` file to the project to populate the PostgreSQL database with initial test data for the employee management system. This will help with testing the application's functionality.